@jepcastel

Workshop 6--sources of bias in cross-sectional studies; summary on sources of bias for different study designs.

, and . Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine, 18 (3): 226-7 (June 2012)7332<br/>JID: 9512509; ppublish;<br/>Critical appraisal.

Links and resources

Tags