D000152:Acne Vulgaris; D016009:Chi-Square Distribution; D003093:Colitis, Ulcerative; D003424:Crohn Disease; D003879:Dermatologic Agents; D006801:Humans; D015474:Isotretinoin; D016017:Odds Ratio; D018570:Risk Assessment; D012307:Risk Factors
Lee Stephanie Y SY ;Jamal Mohammad M MM ;Nguyen Emily T ET ;Bechtold Matthew L ML ;Nguyen Douglas L DL 