The nonspecificity of mental illness.
D000328:Adult; D002648:Child; D002653:Child Behavior Disorders / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008370:Manuals as Topic; D001523:Mental Disorders / Q000175:diagnosis* / Q000523:psychology; D019965:Neurocognitive Disorders / Q000175:diagnosis; D012559:Schizophrenia / Q000175:diagnosis; D014481:United States