The segregation of physician networks providing care to black and white patients with heart disease: Concepts, measures, and empirical evaluation
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作者:
Popescu, Ioana
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David Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
RAND Corp, 1776 Main St, Santa Monica, CA 90403 USA
1001 Glendon Ave Ste 850, Los Angeles, CA 90024 USADavid Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
Popescu, Ioana
[1
,2
,3
]
Gibson, Ben
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David Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USADavid Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
Gibson, Ben
[1
]
Matthews, Luke
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David Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USADavid Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
Matthews, Luke
[1
]
Zhang, Shiyuan
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David Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USADavid Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
Zhang, Shiyuan
[1
]
Escarce, Jose J.
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机构:David Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
Escarce, Jose J.
Schuler, Megan
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David Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USADavid Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
Schuler, Megan
[1
]
Damberg, Cheryl L.
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David Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USADavid Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
Damberg, Cheryl L.
[1
]
机构:
[1] David Geffen Sch Med UCLA, Div Gen Internal Med & Hlth Serv Res, 1100 Glendon Ave suite 850, Los Angeles, CA 90024 USA
[2] RAND Corp, 1776 Main St, Santa Monica, CA 90403 USA
[3] 1001 Glendon Ave Ste 850, Los Angeles, CA 90024 USA
Black-White disparities in cardiac care may be related to physician referral network segregation. We developed and tested new geographic physician network segregation measures. We used Medicare claims to identify Black and White Medicare heart disease patients and map physician networks for 169 hospital referral regions (HRRs) with over 1000 Black patients. We constructed two network segregation indexes ranging from 0 (integration) to 100 (total segregation): Dissimilarity (the unevenness of Black and White patient distribution across physicians [Dn]) and Absolute Clustering (the propensity of Black patients' physicians to have closer ties with each other than with other physicians [ACLn]). We employed conditional logit models to estimate the probability of using the best (lowest mortality) geographically available hospital for Black and White patients undergoing coronary artery bypass grafting (CABG) surgery in 126 markets with sufficient sample size at increasing levels of network segregation and for low vs. high HRR Black patient population. Physician network segregation was lower than residential segregation (Dissimilarity 21.9 vs. 48.7, and Absolute Clustering 4.8 vs. 32.4) and positively correlated with residential segregation (p < .001). Network segregation effects differed by race and HRR Black patient population. For White patients, higher network segregation was associated with a higher probability of using the best available hospitals in HRRs with few black patients but unchanged (ACLn) or lower (Dn) probability of best hospital use in HRRs with many Black patients. For Black patients, higher network segregation was not associated with a substantial change in the probability of best hospital use regardless of the HRR Black patient population size. Measuring physician network segregation is feasible and associated with nuanced effects on Black-White differences in high-quality hospital use for heart disease. Further work is needed to understand underlying mechanisms and potential uses in health equity policy.
机构:
Univ Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Univ Cologne, Fac Med & Univ Hosp Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Herrmann, Christin
Werner, Belinda
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Univ Cologne, Inst Sociol & Social Psychol ISS, Fac Management Econ & Social Sci, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Werner, Belinda
Wurster, Florian
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Univ Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Univ Cologne, Fac Med & Univ Hosp Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Wurster, Florian
Karbach, Ute
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Univ Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Univ Cologne, Fac Med & Univ Hosp Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Karbach, Ute
Leikert, Charlotte
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机构:
Univ Cologne, Fac Med & Cologne Univ Hosp, Dept Psychosomat & Psychotherapy, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Leikert, Charlotte
Nordmeyer, Laura
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Univ Cologne, Fac Med & Cologne Univ Hosp, Dept Psychosomat & Psychotherapy, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Nordmeyer, Laura
Meixner, Adriana
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Univ Cologne, Fac Management Econ & Social Sci, Dept Business Adm & Hlth Care Management, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Meixner, Adriana
Sannemann, Lena
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Univ Cologne, Fac Med & Cologne Univ Hosp, Dept Psychiat & Psychotherapy, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Sannemann, Lena
Albus, Christian
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Univ Cologne, Fac Med & Cologne Univ Hosp, Dept Psychosomat & Psychotherapy, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Albus, Christian
Jessen, Frank
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机构:
Univ Cologne, Fac Med & Cologne Univ Hosp, Dept Psychiat & Psychotherapy, Cologne, Germany
German Ctr Neurodegenerat Dis DZNE, Bonn, Germany
Univ Cologne, Excellence Cluster Cellular Stress Responses Aging, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Jessen, Frank
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Kuntz, Ludwig
Schulz-Nieswandt, Frank
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Univ Cologne, Inst Sociol & Social Psychol ISS, Fac Management Econ & Social Sci, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Schulz-Nieswandt, Frank
Pfaff, Holger
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Univ Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
Univ Cologne, Fac Med & Cologne Univ Hosp, Ctr Hlth Serv Res Cologne ZVFK, Cologne, GermanyUniv Cologne, Inst Med Sociol Hlth Serv Res & Rehabil Sci, Fac Human Sci, Chair Qual Dev & Evaluat Rehabil, Cologne, Germany
机构:
Univ London Imperial Coll Sci Technol & Med, Dept Primary Care & Social Med, London SW7 2AZ, EnglandUniv London Imperial Coll Sci Technol & Med, Dept Primary Care & Social Med, London SW7 2AZ, England
Billett, J.
Cowie, M. R.
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机构:
Univ London Imperial Coll Sci Technol & Med, Natl Heart & Lung Inst, London SW7 2AZ, EnglandUniv London Imperial Coll Sci Technol & Med, Dept Primary Care & Social Med, London SW7 2AZ, England
Cowie, M. R.
Gatzoulis, M. A.
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Royal Brompton Hosp, London SW3 6LY, EnglandUniv London Imperial Coll Sci Technol & Med, Dept Primary Care & Social Med, London SW7 2AZ, England
Gatzoulis, M. A.
Muhll, I. F. Vonder
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机构:
Univ Alberta, Div Cardiol, Edmonton, AB, CanadaUniv London Imperial Coll Sci Technol & Med, Dept Primary Care & Social Med, London SW7 2AZ, England
机构:
Graduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, AichiGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Takematsu Y.
Hasebe Y.
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机构:
Faculty of Nursing, Seisen University, Hikone, ShigaGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Hasebe Y.
Moriwaki Y.
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Department of Nursing, Sugiyama Jogakuen University, Nagoya, AichiGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Moriwaki Y.
Kotera N.
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Yokkaichi Nursing and Medical Care University, Yokkaichi, MieGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Kotera N.
Yamada C.
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Faculty of Nursing, Fujita Health University School of Sciences, Toyoake, AichiGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Yamada C.
Nakagami T.
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Department of Nursing, Sugiyama Jogakuen University, Nagoya, AichiGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Nakagami T.
Shinoda K.
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机构:
Department of Nursing, Gifu Heart Center, GifuGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Shinoda K.
Furubayashi A.
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机构:
Department of Nursing, Gifu Heart Center, GifuGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Furubayashi A.
Kato S.
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机构:
Department of Nursing, Gifu Heart Center, GifuGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Kato S.
Sugimoto I.
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机构:
Department of Nursing, Gifu Heart Center, GifuGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
Sugimoto I.
Shibayama K.
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机构:
Aichi Medical University College of Nursing, Nagakute, AichiGraduate School of Health Medicine, Fujita Health University School of Health Sciences, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, 470-1192, Aichi
机构:
Univ Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Hafiz, Nashid
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Hyun, Karice
Tu, Qiang
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Univ Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Tu, Qiang
Knight, Andrew
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机构:
South Western Sydney Local Hlth Dist, Primary & Integrated Care Unit, Sydney, NSW, Australia
Univ New South Wales, Sch Publ Hlth & Community Med, Kensington, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Knight, Andrew
Chow, Clara K.
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h-index: 0
机构:
Westmead Hosp, Dept Cardiol, Westmead, NSW, Australia
Univ Sydney, Fac Med & Hlth, Westmead Appl Res Ctr, Westmead, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Chow, Clara K.
Hespe, Charlotte
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机构:
Univ Notre Dame, Sch Med, Sydney, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Hespe, Charlotte
Briffa, Tom
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h-index: 0
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Univ Western Australia, Sch Populat & Global Hlth, Crawley, WA, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Briffa, Tom
Gallagher, Robyn
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h-index: 0
机构:
Univ Sydney, Fac Med & Hlth, Sydney Nursing Sch, Camperdown, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Gallagher, Robyn
Reid, Christopher M.
论文数: 0引用数: 0
h-index: 0
机构:
Curtin Univ, Sch Populat Hlth, Bentley, WA, Australia
Monash Univ, Sch Publ Hlth & Prevent Med, Melbourne, Vic, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Reid, Christopher M.
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Hare, David L.
Zwar, Nicholas
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h-index: 0
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Bond Univ, Fac Hlth Sci & Med, Gold Coast, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Zwar, Nicholas
Woodward, Mark
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h-index: 0
机构:
Univ New South Wales, George Inst Global Hlth, Barangaroo, NSW, Australia
Imperial Coll London, George Inst Global Hlth, Sch Publ Hlth, Oxford, Oxon, EnglandUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Woodward, Mark
Jan, Stephen
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h-index: 0
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Univ New South Wales, George Inst Global Hlth, Barangaroo, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Jan, Stephen
Atkins, Emily R.
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h-index: 0
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Univ New South Wales, George Inst Global Hlth, Barangaroo, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Atkins, Emily R.
Laba, Tracey-Lea
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h-index: 0
机构:
Univ South Australia, Clin & Hlth Sci, Adelaide, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Laba, Tracey-Lea
Halcomb, Elizabeth
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h-index: 0
机构:
Univ Wollongong, Sch Nursing, Wollongong, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Halcomb, Elizabeth
Johnson, Tracey
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h-index: 0
机构:
Inala Primary Care, Inala, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Johnson, Tracey
Manandi, Deborah
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h-index: 0
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Univ Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
Manandi, Deborah
Usherwood, Tim
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h-index: 0
机构:
Univ New South Wales, George Inst Global Hlth, Barangaroo, NSW, AustraliaUniv Sydney, Fac Med & Hlth, Sch Hlth Sci, Camperdown, NSW, Australia
机构:
Univ Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Hannover Med Sch, Inst Gen Practice & Palliat Care, Hannover, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Schade, Franziska
Huettenrauch, Danica
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h-index: 0
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Univ Med Ctr Gottingen, Dept Palliat Med, Gottingen, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Huettenrauch, Danica
Schwabe, Sven
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机构:
Hannover Med Sch, Inst Gen Practice & Palliat Care, Hannover, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Schwabe, Sven
Mueller, Christiane A.
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机构:
Univ Med Ctr Gottingen, Dept Gen Practice, Gottingen, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Mueller, Christiane A.
Pohontsch, Nadine Janis
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h-index: 0
机构:
Univ Med Ctr Hamburg Eppendorf, Dept Gen Practice & Primary Care, Hamburg, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Pohontsch, Nadine Janis
Stiel, Stephanie
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机构:
Hannover Med Sch, Inst Gen Practice & Palliat Care, Hannover, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Stiel, Stephanie
Scherer, Martin
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h-index: 0
机构:
Univ Med Ctr Hamburg Eppendorf, Dept Gen Practice & Primary Care, Hamburg, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Scherer, Martin
Marx, Gabriella
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h-index: 0
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Univ Med Ctr Hamburg Eppendorf, Dept Gen Practice & Primary Care, Hamburg, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany
Marx, Gabriella
Nauck, Friedemann
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h-index: 0
机构:
Univ Med Ctr Gottingen, Dept Palliat Med, Gottingen, GermanyUniv Med Ctr Gottingen, Dept Palliat Med, Gottingen, Germany