Workshop 6--sources of bias in cross-sectional studies; summary on sources of bias for different study designs.
Hong Kong Medical Journal.
Ignatius T S
IT
Yu
Shelly L A
SL
Tse
D015982:Bias; D016022:Case-Control Studies; D002986:Clinical Trials as Topic; D015331:Cohort Studies; D003430:Cross-Sectional Studies; D006801:Humans; D012107:Research Design