期刊
ANNALS OF THE AMERICAN THORACIC SOCIETY
卷 16, 期 1, 页码 22-28出版社
AMER THORACIC SOC
DOI: 10.1513/AnnalsATS.201808-564PS
关键词
epidemiology; causality; research design; confounding factors
资金
- MRC [G0901226] Funding Source: UKRI