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- [21] Variety of radiological findings in a family with COVID-19: a case reportEGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE, 2020, 51 (01):Gharekhanloo, Farideh论文数: 0 引用数: 0 h-index: 0机构: Hamadan Univ Med Sci, Besat Hosp, Sch Med, Dept Radiol, Hamadan, Hamadan, Iran Hamadan Univ Med Sci, Besat Hosp, Sch Med, Dept Radiol, Hamadan, Hamadan, IranSedighi, Iraj论文数: 0 引用数: 0 h-index: 0机构: Hamadan Univ Med Sci, Besat Hosp, Sch Med, Dept Pediat, Hamadan, Hamadan, Iran Hamadan Univ Med Sci, Besat Hosp, Sch Med, Dept Radiol, Hamadan, Hamadan, IranKhazaei, Salman论文数: 0 引用数: 0 h-index: 0机构: Hamadan Univ Med Sci, Res Ctr Hlth Sci, Hamadan, Hamadan, Iran Hamadan Univ Med Sci, Besat Hosp, Sch Med, Dept Radiol, Hamadan, Hamadan, Iran
- [22] Clinical, radiological, and transbronchial biopsy findings in patients with long COVID-19: a case seriesJORNAL BRASILEIRO DE PNEUMOLOGIA, 2022, 48 (03)Baldi, Bruno Guedes论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilFabro, Alexandre Todorovic论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Fac Med Ribeirao Preto, Dept Patol & Med Legal, Ribeirao Preto, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilFranco, Andreia Craveiro论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Paulista, Fac Med Botucatu, Dept Clin Med, Disciplina Pneumol, BR-18600000 Botucatu, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilMachado, Marilia Helena C.论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Paulista, Fac Med Botucatu, Dept Clin Med, Disciplina Pneumol, BR-18600000 Botucatu, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilPrudente, Robson Aparecido论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Paulista, Fac Med Botucatu, Dept Clin Med, Disciplina Pneumol, BR-18600000 Botucatu, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilFranco, Estefania Thome论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Paulista, Fac Med Botucatu, Dept Clin Med, Disciplina Pneumol, BR-18600000 Botucatu, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilMarrone, Sergio Ribeiro论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Paulista, Fac Med Botucatu, Dept Dermatol & Radioterapia, Disciplina Radiol, Botucatu, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, Brazildo Vale, Simone Alves论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Paulista, Fac Med Botucatu, Dept Clin Med, Disciplina Pneumol, BR-18600000 Botucatu, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilCezare, Talita Jacon论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Paulista, Fac Med Botucatu, Dept Clin Med, Disciplina Pneumol, BR-18600000 Botucatu, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, Brazilde Toledo Moraes, Marcelo Padovani论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Fac Med Ribeirao Preto, Dept Patol & Med Legal, Ribeirao Preto, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilMachado Ferreira, Eloara Vieira论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Sao Paulo, UNIFESP, Dept Med, Disciplina Pneumol, Sao Paulo, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilPereira Albuquerque, Andre Luis论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilYamada Sawamura, Marcio Valente论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Fac Med, Hosp Clin, Inst Radiol, Sao Paulo, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, BrazilTanni, Suzana Erico论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Paulista, Fac Med Botucatu, Dept Clin Med, Disciplina Pneumol, BR-18600000 Botucatu, SP, Brazil Univ Estadual Paulista, Hosp Clin, Fac Med Botucatu, Botucatu, SP, Brazil Univ Sao Paulo, Div Pneumol, Inst Coracao InCor, Hosp Clin,Fac Med, Sao Paulo, SP, Brazil
- [23] Relationship Between Viral Load and Laboratory Values and Radiological Findings in Patients with COVID-19MEDITERRANEAN JOURNAL OF INFECTION MICROBES AND ANTIMICROBIALS, 2022, 11Altintop Geckil, Aysegul论文数: 0 引用数: 0 h-index: 0机构: Malatya Turgut Ozal Univ, Dept Pulm Med, Fac Med, Malatya, Turkey Malatya Turgut Ozal Univ, Dept Pulm Med, Fac Med, Malatya, TurkeyBenk, Isilay Gokce论文数: 0 引用数: 0 h-index: 0机构: Malatya Turgut Ozal Univ, Dept Clin Microbiol, Training & Res Hosp, Malatya, Turkey Malatya Turgut Ozal Univ, Dept Pulm Med, Fac Med, Malatya, TurkeyAydin, Sukru论文数: 0 引用数: 0 h-index: 0机构: Malatya Turgut Ozal Univ, Dept Otolaryngol, Training & Res Hosp, Malatya, Turkey Malatya Turgut Ozal Univ, Dept Pulm Med, Fac Med, Malatya, TurkeyAkcicek, Mehmet论文数: 0 引用数: 0 h-index: 0机构: Malatya Turgut Ozal Univ, Dept Radiol, Fac Med, Malatya, Turkey Malatya Turgut Ozal Univ, Dept Pulm Med, Fac Med, Malatya, Turkey
- [24] Relationship Between Viral Load and Laboratory Values and Radiological Findings in Patients with COVID-19MEDITERRANEAN JOURNAL OF INFECTION MICROBES AND ANTIMICROBIALS, 2022, 11Geckil, Ayseguel Altintop论文数: 0 引用数: 0 h-index: 0机构: Malatya Turgut Ozal Univ, Fac Med, Dept Pulm Med, Malatya, Turkey Malatya Turgut Ozal Univ, Fac Med, Dept Pulm Med, Malatya, TurkeyBenk, Isilay Gokce论文数: 0 引用数: 0 h-index: 0机构: Malatya Turgut Ozal Univ Training & Res Hosp, Dept Clin Microbiol, Malatya, Turkey Malatya Turgut Ozal Univ, Fac Med, Dept Pulm Med, Malatya, TurkeyAydin, Sukru论文数: 0 引用数: 0 h-index: 0机构: Malatya Turgut Ozal Univ Training & Res Hosp, Dept Otolaryngol, Malatya, Turkey Malatya Turgut Ozal Univ, Fac Med, Dept Pulm Med, Malatya, TurkeyAkcicek, Mehmet论文数: 0 引用数: 0 h-index: 0机构: Malatya Turgut Ozal Univ, Fac Med, Dept Radiol, Malatya, Turkey Malatya Turgut Ozal Univ, Fac Med, Dept Pulm Med, Malatya, Turkey
- [25] Variety of radiological findings in a family with COVID-19: a case reportEgyptian Journal of Radiology and Nuclear Medicine, 51Farideh Gharekhanloo论文数: 0 引用数: 0 h-index: 0机构: Hamadan University of Medical Sciences,Department of Radiology, School of Medicine, Besat HospitalIraj Sedighi论文数: 0 引用数: 0 h-index: 0机构: Hamadan University of Medical Sciences,Department of Radiology, School of Medicine, Besat HospitalSalman Khazaei论文数: 0 引用数: 0 h-index: 0机构: Hamadan University of Medical Sciences,Department of Radiology, School of Medicine, Besat Hospital
- [26] Retinal findings in patients with COVID-19LANCET, 2020, 395 (10237): : 1610 - 1610Marinho, Paula M.论文数: 0 引用数: 0 h-index: 0机构: Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, Brazil Univ Fed Sao Paulo, Inst Visao, BR-04023062 Sao Paulo, Brazil Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, BrazilMarcos, Allexya A. A.论文数: 0 引用数: 0 h-index: 0机构: Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, Brazil Univ Fed Sao Paulo, Inst Visao, BR-04023062 Sao Paulo, Brazil Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, BrazilRomano, Andre C.论文数: 0 引用数: 0 h-index: 0机构: Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, Brazil Univ Fed Sao Paulo, Inst Visao, BR-04023062 Sao Paulo, Brazil Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, BrazilNascimento, Heloisa论文数: 0 引用数: 0 h-index: 0机构: Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, Brazil Univ Fed Sao Paulo, Inst Visao, BR-04023062 Sao Paulo, Brazil Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, BrazilBelfort, Rubens, Jr.论文数: 0 引用数: 0 h-index: 0机构: Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, Brazil Univ Fed Sao Paulo, Inst Visao, BR-04023062 Sao Paulo, Brazil Inst Paulista Estudos Pesquisas Oftalmol, Sao Paulo, Brazil
- [27] Neuroimaging Findings in Patients with COVID-19AMERICAN JOURNAL OF NEURORADIOLOGY, 2020, 41 (08) : 1380 - 1383论文数: 引用数: h-index:机构:Alshafai, L.论文数: 0 引用数: 0 h-index: 0机构: Univ Toronto, Mt Sinai & Univ Hlth Network, Head & Neck Imaging, Toronto, ON, Canada Univ Toronto, Toronto Western Hosp, Univ Hlth Network, Joint Dept Med Imaging,Div Neuroradiol, Toronto, ON, Canada论文数: 引用数: h-index:机构:
- [28] Correlation of renal impairment with biochemical and radiological findings, and clinical outcome in COVID-19 pneumonia patientsEUROPEAN RESPIRATORY JOURNAL, 2021, 58Papadaki, Ioanna论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreecePapadopoulos, Dimitrios论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceDendrinou, Georgia-Emmanouela论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceTambakis, Theofani论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceGkogkos, Vasileios论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceKanellas, Stefanos论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceMyrotheou, Sofia-Evlalia论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceDura, Idajet论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceChristodoulou, Maria论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceTriantafyllou, Thomas论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, GreeceZeibecoglou, Kyriaki论文数: 0 引用数: 0 h-index: 0机构: NIMTS Hosp, Dept Resp Med, Athens, Greece NIMTS Hosp, Dept Resp Med, Athens, Greece
- [29] Radiological findings from 81 patients with COVID-19 pneumonia in Wuhan, China: a descriptive studyLANCET INFECTIOUS DISEASES, 2020, 20 (04): : 425 - 434Shi, Heshui论文数: 0 引用数: 0 h-index: 0机构: Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R China Hubei Prov Key Lab Mol Imaging, Wuhan, Hubei, Peoples R China Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R ChinaHan, Xiaoyu论文数: 0 引用数: 0 h-index: 0机构: Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R China Hubei Prov Key Lab Mol Imaging, Wuhan, Hubei, Peoples R China Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R ChinaJiang, Nanchuan论文数: 0 引用数: 0 h-index: 0机构: Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R China Hubei Prov Key Lab Mol Imaging, Wuhan, Hubei, Peoples R China Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R ChinaCao, Yukun论文数: 0 引用数: 0 h-index: 0机构: Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R China Hubei Prov Key Lab Mol Imaging, Wuhan, Hubei, Peoples R China Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R China论文数: 引用数: h-index:机构:Gu, Jin论文数: 0 引用数: 0 h-index: 0机构: Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R China Hubei Prov Key Lab Mol Imaging, Wuhan, Hubei, Peoples R China Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R ChinaFan, Yanqing论文数: 0 引用数: 0 h-index: 0机构: Wuhan Jinyintan Hosp, Dept Radiol, Wuhan 430022, Hubei, Peoples R China Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R ChinaZheng, Chuansheng论文数: 0 引用数: 0 h-index: 0机构: Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R China Hubei Prov Key Lab Mol Imaging, Wuhan, Hubei, Peoples R China Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Dept Radiol, Wuhan 430022, Hubei, Peoples R China
- [30] Clinical and Temporal Radiological Findings from Critical Patients with COVID-19 Pneumonia: A Descriptive StudyCURRENT MEDICAL IMAGING, 2024, 20Tian, Ye论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaWang, Yuqiong论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Peking Univ, China Japan Friendship Sch Clin Med, Beijing, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaLiu, Min论文数: 0 引用数: 0 h-index: 0机构: China Japan Friendship Hosp, Dept Radiol, Beijing, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaHuang, Xu论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaZhang, Yi论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaWu, Xiaojing论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaHuang, Linna论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaCui, Xiaoyang论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaGu, Sichao论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R ChinaZhan, Qingyuan论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China Peking Univ, China Japan Friendship Sch Clin Med, Beijing, Peoples R China Chinese Acad Med Sci, China Japan Friendship Hosp, Ctr Resp Med, Dept Pulm & Crit Care Med,Natl Ctr Resp Med,Natl C, Beijing 100029, Peoples R China