title: Symptomatic volunteers in psychiatric research.
mesh_terms: D001007:Anxiety / Q000175:diagnosis / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D003863:Depression / Q000175:diagnosis / Q000188:drug therapy*; D003937:Diagnosis, Differential; D006801:Humans; D008960:Models, Psychological; D011569:Psychiatric Status Rating Scales