Peralta, V The Kahlbaum syndrome: a study of its clinical validity, nosological status, and relationship with schizophrenia and mood disorder. [electronic resource] - Comprehensive psychiatry - 61-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0010-440X Standard No.: 10.1016/s0010-440x(97)90055-9 doi Subjects--Topical Terms: AdultAffective Disorders, Psychotic--diagnosisCatatonia--classificationCross-Sectional StudiesDiagnosis, DifferentialFamily HealthFemaleHumansMalePrevalencePsychotic Disorders--classificationSchizophrenia--diagnosisSpain--epidemiologySyndrome