title: Classification of catatonia.
authors.forename: Tomer
authors.initials: T
authors.lastname: Levin
authors.forename: Robert
authors.initials: R
authors.lastname: Martin
mesh_terms: D002389:Catatonia / Q000145:classification* / Q000175:diagnosis; D003693:Delirium / Q000145:classification / Q000175:diagnosis; D003937:Diagnosis, Differential; D039721:Diagnostic and Statistical Manual of Mental Disorders; D006801:Humans; D012107:Research Design / Q000592:standards