[Observation versus experiment, efficacy versus effectiveness].
Division of Epidemiology, JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, China; Shenzhen Municipal Key Laboratory for Health Risk Analysis, Shenzhen Research Institute of The Chinese University of Hong Kong, Shenzhen 518055, China. Email: jltang@cuhk.edu.hk.
Jinling
J
Tang
Division of Epidemiology, JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, China; Shenzhen Municipal Key Laboratory for Health Risk Analysis, Shenzhen Research Institute of The Chinese University of Hong Kong, Shenzhen 518055, China.
Zuyao
Z
Yang
D035843:Biomedical Research; D004812:Epidemiologic Methods; D019317:Evidence-Based Medicine; D016896:Treatment Outcome