title: Are we adequately protecting vulnerable patients in longitudinal observational studies?
authors.forename: Lainie Friedman
authors.initials: LF
authors.lastname: Ross
mesh_terms: D001675:Bioethics; D001938:Brazil; D019052:Depression, Postpartum / Q000175:diagnosis / Q000628:therapy*; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D009035:Mothers; D012107:Research Design; D012306:Risk; D014481:United States; D035862:Vulnerable Populations