title: Methylphenidate and physostigmine as diagnostic tools.
mesh_terms: D000342:Affective Symptoms / Q000175:diagnosis; D006801:Humans; D008774:Methylphenidate; D010830:Physostigmine; D011618:Psychotic Disorders / Q000175:diagnosis*
chemical_list: D008774:Methylphenidate; D010830:Physostigmine