title: When is depression simply sadness?
authors.forename: M
authors.initials: M
authors.lastname: Maj
mesh_terms: D003863:Depression / Q000145:classification / Q000175:diagnosis*; D003866:Depressive Disorder / Q000145:classification / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data; D009626:Terminology as Topic