共 50 条
- [41] Prevalence and Pattern of Diagnostic Tests Utilized to Detect Latent Tuberculosis Infection in Asian Nations; A Systematic Review and Meta-analysisAMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE, 2024, 209Shrestha, A. B.论文数: 0 引用数: 0 h-index: 0机构: Med Res Hub, Kathmandu, Nepal Med Res Hub, Kathmandu, NepalShrestha, S.论文数: 0 引用数: 0 h-index: 0机构: KIST Med Coll, Imadol, Nepal Med Res Hub, Kathmandu, NepalSedhai, Y.论文数: 0 引用数: 0 h-index: 0机构: Univ Kentucky, Pulm Dis & Crit Care Med, Bowling Green, KY USA Med Res Hub, Kathmandu, NepalSingh, H.论文数: 0 引用数: 0 h-index: 0机构: Bronxcare Hlth Syst, New York, NY USA Med Res Hub, Kathmandu, NepalYadav, S. Sagar论文数: 0 引用数: 0 h-index: 0机构: Virginia Commonwealth Univ, South Hill, FL USA Med Res Hub, Kathmandu, NepalSingh, K.论文数: 0 引用数: 0 h-index: 0机构: Med Res Hub, Kathmandu, Nepal
- [42] Diagnostic accuracy of TB-LAMP for pulmonary tuberculosis: a systematic review and meta-analysisBMC INFECTIOUS DISEASES, 2019, 19Shete, Priya B.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Div Pulm & Crit Care Med, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USA Zuckerberg San Francisco Gen Hosp, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USA Univ Calif San Francisco, Curry Int TB Ctr, San Francisco, CA 94143 USA Univ Calif San Francisco, Div Pulm & Crit Care Med, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USAFarr, Katherine论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Div Pulm & Crit Care Med, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USA Zuckerberg San Francisco Gen Hosp, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USA Univ Calif San Francisco, Curry Int TB Ctr, San Francisco, CA 94143 USA Univ Calif San Francisco, Div Pulm & Crit Care Med, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USA论文数: 引用数: h-index:机构:Gray, Christen M.论文数: 0 引用数: 0 h-index: 0机构: London Sch Hyg & Trop Med, Fac Epidemiol & Populat Hlth, Room G30,Keppel St, London WC1E 7HT, England Univ Calif San Francisco, Div Pulm & Crit Care Med, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USACattamanchi, Adithya论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Div Pulm & Crit Care Med, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USA Zuckerberg San Francisco Gen Hosp, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USA Univ Calif San Francisco, Curry Int TB Ctr, San Francisco, CA 94143 USA Univ Calif San Francisco, Div Pulm & Crit Care Med, 1001 Potrero Ave,5K1, San Francisco, CA 94110 USA
- [43] Pleural fluid lysozyme as a diagnostic biomarker of pleural tuberculosis: A systematic review and meta-analysisLUNG INDIA, 2022, 39 (05) : 428 - 436Aggarwal, Ashutosh Nath论文数: 0 引用数: 0 h-index: 0机构: Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, India Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh 160012, India Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, IndiaAgarwal, Ritesh论文数: 0 引用数: 0 h-index: 0机构: Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, India Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, IndiaDhooria, Sahajal论文数: 0 引用数: 0 h-index: 0机构: Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, India Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, IndiaPrasad, Kuruswamy Thurai论文数: 0 引用数: 0 h-index: 0机构: Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, India Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, IndiaSehgal, Inderpaul论文数: 0 引用数: 0 h-index: 0机构: Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, India Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, IndiaMuthu, Valliappan论文数: 0 引用数: 0 h-index: 0机构: Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, India Postgrad Inst Med Educ & Res, Dept Pulm Med, Chandigarh, India
- [44] Diagnostic accuracy of TB-LAMP for pulmonary tuberculosis: a systematic review and meta-analysisBMC Infectious Diseases, 19Priya B. Shete论文数: 0 引用数: 0 h-index: 0机构: University of California San Francisco and Zuckerberg San Francisco General Hospital,Division of Pulmonary and Critical Care MedicineKatherine Farr论文数: 0 引用数: 0 h-index: 0机构: University of California San Francisco and Zuckerberg San Francisco General Hospital,Division of Pulmonary and Critical Care MedicineLuke Strnad论文数: 0 引用数: 0 h-index: 0机构: University of California San Francisco and Zuckerberg San Francisco General Hospital,Division of Pulmonary and Critical Care MedicineChristen M. Gray论文数: 0 引用数: 0 h-index: 0机构: University of California San Francisco and Zuckerberg San Francisco General Hospital,Division of Pulmonary and Critical Care MedicineAdithya Cattamanchi论文数: 0 引用数: 0 h-index: 0机构: University of California San Francisco and Zuckerberg San Francisco General Hospital,Division of Pulmonary and Critical Care Medicine
- [45] The diagnostic yield of nasopharyngeal aspirate for pediatric pulmonary tuberculosis: a systematic review and meta-analysisBMC Global and Public Health, 1 (1):Nisreen Khambati论文数: 0 引用数: 0 h-index: 0机构: University of Oxford,Oxford Vaccine Group, Department of PediatricsRinn Song论文数: 0 引用数: 0 h-index: 0机构: University of Oxford,Oxford Vaccine Group, Department of PediatricsEmily Lai-Ho MacLean论文数: 0 引用数: 0 h-index: 0机构: University of Oxford,Oxford Vaccine Group, Department of PediatricsMikashmi Kohli论文数: 0 引用数: 0 h-index: 0机构: University of Oxford,Oxford Vaccine Group, Department of PediatricsLaura Olbrich论文数: 0 引用数: 0 h-index: 0机构: University of Oxford,Oxford Vaccine Group, Department of PediatricsElse Margreet Bijker论文数: 0 引用数: 0 h-index: 0机构: University of Oxford,Oxford Vaccine Group, Department of Pediatrics
- [46] Variable Diagnostic Performance of Stool Xpert in Pediatric Tuberculosis: A Systematic Review and Meta-analysisOPEN FORUM INFECTIOUS DISEASES, 2021, 8 (08):Gebre, Meseret论文数: 0 引用数: 0 h-index: 0机构: Armauer Hansen Res Inst AHRI, POB 1005, Addis Ababa, Ethiopia Armauer Hansen Res Inst AHRI, POB 1005, Addis Ababa, EthiopiaCameron, Lindsay Hatzenbuehler论文数: 0 引用数: 0 h-index: 0机构: Baylor Coll Med, Houston, TX 77030 USA Texas Childrens Hosp, Houston, TX 77030 USA Armauer Hansen Res Inst AHRI, POB 1005, Addis Ababa, Ethiopia论文数: 引用数: h-index:机构:Woldeamanuel, Yohannes论文数: 0 引用数: 0 h-index: 0机构: Stanford Univ, Palo Alto, CA 94304 USA Propria Hlth Solut, Addis Ababa, Ethiopia Armauer Hansen Res Inst AHRI, POB 1005, Addis Ababa, EthiopiaWassie, Liya论文数: 0 引用数: 0 h-index: 0机构: Armauer Hansen Res Inst AHRI, POB 1005, Addis Ababa, Ethiopia Armauer Hansen Res Inst AHRI, POB 1005, Addis Ababa, Ethiopia
- [47] Diagnostic value of microRNA-155 in active tuberculosis A systematic review and meta-analysisMEDICINE, 2021, 100 (46) : E27869Li, Xiaoyan论文数: 0 引用数: 0 h-index: 0机构: Chengdu Med Coll, Clin Med Coll, Dept Endocrinol, Chengdu, Sichuan, Peoples R China Chengdu Med Coll, Affiliated Hosp 1, 278 Baoguang St, Chengdu 610500, Sichuan, Peoples R China Chengdu Med Coll, Clin Med Coll, Dept Endocrinol, Chengdu, Sichuan, Peoples R ChinaHe, Jie论文数: 0 引用数: 0 h-index: 0机构: Chengdu Med Coll, Affiliated Hosp 1, 278 Baoguang St, Chengdu 610500, Sichuan, Peoples R China Chengdu Med Coll, Clin Med Coll, Dept Pulm & Crit Care Med, 278 Baoguang St, Chengdu 610500, Sichuan, Peoples R China Chengdu Med Coll, Clin Med Coll, Dept Endocrinol, Chengdu, Sichuan, Peoples R ChinaWang, Guodong论文数: 0 引用数: 0 h-index: 0机构: Mouping Dist Hosp Tradit Chinese Med, Dept Pathol, Yantai, Shandong, Peoples R China Chengdu Med Coll, Clin Med Coll, Dept Endocrinol, Chengdu, Sichuan, Peoples R ChinaSun, Jian论文数: 0 引用数: 0 h-index: 0机构: Chengdu Med Coll, Affiliated Hosp 1, 278 Baoguang St, Chengdu 610500, Sichuan, Peoples R China Chengdu Med Coll, Clin Med Coll, Dept Pulm & Crit Care Med, 278 Baoguang St, Chengdu 610500, Sichuan, Peoples R China Chengdu Med Coll, Clin Med Coll, Dept Endocrinol, Chengdu, Sichuan, Peoples R China
- [48] Diagnostic Accuracy of Pyrazinamide Susceptibility Testing in Mycobacterium tuberculosis: A Systematic Review with Meta-AnalysisMICROBIAL DRUG RESISTANCE, 2022, 28 (01) : 87 - 98Bagheri, Mohammad论文数: 0 引用数: 0 h-index: 0机构: Shahid Beheshti Univ Med Sci, Sch Med, Tehran, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranPormohammad, Ali论文数: 0 引用数: 0 h-index: 0机构: Univ Calgary, Dept Biol Sci, Calgary, AB, Canada Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranFardsanei, Fatemeh论文数: 0 引用数: 0 h-index: 0机构: Qazvin Univ Med Sci, Med Microbiol Res Ctr, Qazvin, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranYadegari, Ali论文数: 0 引用数: 0 h-index: 0机构: Mazandaran Univ Med Sci, Sch Med, Mazandaran, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranArshadi, Maniya论文数: 0 引用数: 0 h-index: 0机构: Ahvaz Jundishapur Univ Med Sci, Infect & Trop Dis Res Ctr, Hlth Res Inst, Ahvaz, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranDeihim, Behnaz论文数: 0 引用数: 0 h-index: 0机构: Dezful Univ Med Sci, Sch Med, Dept Bacteriol & Virol, Dezful, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranHajikhani, Bahareh论文数: 0 引用数: 0 h-index: 0机构: Shahid Beheshti Univ Med Sci, Sch Med, Dept Microbiol, Tehran 1983963113, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranTurner, Ray J.论文数: 0 引用数: 0 h-index: 0机构: Univ Calgary, Dept Biol Sci, Calgary, AB, Canada Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranKhalili, Farima论文数: 0 引用数: 0 h-index: 0机构: Shahid Beheshti Univ Med Sci, Sch Med, Tehran, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranMousavi, Seyyed Mohammad Javad论文数: 0 引用数: 0 h-index: 0机构: Shahid Beheshti Univ Med Sci, Sch Med, Dept Microbiol, Tehran 1983963113, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranDadashi, Masoud论文数: 0 引用数: 0 h-index: 0机构: Alborz Univ Med Sci, Sch Med, Dept Microbiol, Karaj, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, Iran论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:Goudarzi, Hossein论文数: 0 引用数: 0 h-index: 0机构: Shahid Beheshti Univ Med Sci, Sch Med, Dept Microbiol, Tehran 1983963113, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranMirsaeidi, Mehdi论文数: 0 引用数: 0 h-index: 0机构: Univ Florida, Coll Med, Div Pulm & Crit Care, Jacksonville, FL USA Shahid Beheshti Univ Med Sci, Sch Med, Tehran, IranNasiri, Mohammad Javad论文数: 0 引用数: 0 h-index: 0机构: Shahid Beheshti Univ Med Sci, Sch Med, Dept Microbiol, Tehran 1983963113, Iran Shahid Beheshti Univ Med Sci, Sch Med, Tehran, Iran
- [49] Diagnostic accuracy of oral swab for detection of pulmonary tuberculosis: a systematic review and meta-analysisFRONTIERS IN MEDICINE, 2024, 10Zhang, Fuzhen论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R China Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R ChinaWang, Yilin论文数: 0 引用数: 0 h-index: 0机构: Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R ChinaZhang, Xuxia论文数: 0 引用数: 0 h-index: 0机构: Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R ChinaLiu, Kewei论文数: 0 引用数: 0 h-index: 0机构: Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R ChinaShang, Yuanyuan论文数: 0 引用数: 0 h-index: 0机构: Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R ChinaWang, Wei论文数: 0 引用数: 0 h-index: 0机构: Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R ChinaLiu, Yuanyuan论文数: 0 引用数: 0 h-index: 0机构: Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R ChinaLi, Liang论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R China Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R ChinaPang, Yu论文数: 0 引用数: 0 h-index: 0机构: Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Dept Bacteriol & Immunol, Beijing, Peoples R China Shandong Univ, Cheeloo Coll Med, Sch Publ Hlth, Dept Epidemiol, Jinan, Peoples R China
- [50] Diagnostic accuracy of serological tests for covid-19: systematic review and meta-analysisBMJ-BRITISH MEDICAL JOURNAL, 2020, 370Bastos, Mayara Lisboa论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada Univ Estado Rio De Janeiro, Social Med Inst, Rio De Janeiro, Brazil McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaTavaziva, Gamuchirai论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaAbidi, Syed Kunal论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaCampbell, Jonathon R.论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada McGill Univ, Dept Epidemiol, Montreal, PQ, Canada McGill Univ, Dept Biostat & Occupat Hlth, Montreal, PQ, Canada McGill Univ, Dept Med, Montreal, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaHaraoui, Louis -Patrick论文数: 0 引用数: 0 h-index: 0机构: Univ Sherbrooke, Fac Med & Hlth Sci, Dept Microbiol & Infect Dis, Sherbrooke, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaJohnston, James C.论文数: 0 引用数: 0 h-index: 0机构: Univ British Columbia, Vancouver, BC, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaLan, Zhiyi论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaLaw, Stephanie论文数: 0 引用数: 0 h-index: 0机构: Harvard Med Sch, Dept Global Hlth & Social Med, Boston, MA 02115 USA McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaMacLean, Emily论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Dept Epidemiol, Montreal, PQ, Canada McGill Univ, Dept Biostat & Occupat Hlth, Montreal, PQ, Canada McGill Univ, Dept Med, Montreal, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaTrajman, Anete论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada Univ Estado Rio De Janeiro, Social Med Inst, Rio De Janeiro, Brazil McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaMenzies, Dick论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada McGill Univ, Dept Epidemiol, Montreal, PQ, Canada McGill Univ, Dept Biostat & Occupat Hlth, Montreal, PQ, Canada McGill Univ, Dept Med, Montreal, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaBenedetti, Andrea论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada McGill Univ, Dept Epidemiol, Montreal, PQ, Canada McGill Univ, Dept Biostat & Occupat Hlth, Montreal, PQ, Canada McGill Univ, Dept Med, Montreal, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, CanadaKhan, Faiz Ahmad论文数: 0 引用数: 0 h-index: 0机构: McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada McGill Univ, Dept Epidemiol, Montreal, PQ, Canada McGill Univ, Dept Biostat & Occupat Hlth, Montreal, PQ, Canada McGill Univ, Dept Med, Montreal, PQ, Canada McGill Univ, Ctr Hlth, Ctr Outcomes Res & Evaluat, Resp Epidemiol & Clin Res Unit,Res Inst, Montreal, PQ, Canada