Saiepour, Nargess Response to letter to the editor: When does selection generate bias in clinical samples? [electronic resource] - Journal of psychiatric research 09 2019 - 191-192 p. digital Publication Type: Letter; Comment ISSN: 1879-1379 Standard No.: 10.1016/j.jpsychires.2019.02.011 doi Subjects--Topical Terms: BiasLongitudinal Studies