title: Letter: Acute psychosis.
mesh_terms: D000208:Acute Disease; D001714:Bipolar Disorder / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D019965:Neurocognitive Disorders / Q000175:diagnosis; D011618:Psychotic Disorders / Q000145:classification / Q000175:diagnosis; D012559:Schizophrenia / Q000175:diagnosis