Janzarik, W [The schizo-affective borderland and the 19th century concept of primary and secondary psychic disturbances (author's transl)]. [electronic resource] - Der Nervenarzt May 1980 - 272-9 p. digital Publication Type: Historical Article; Journal Article ISSN: 0028-2804 Subjects--Topical Terms: Bipolar Disorder--diagnosisDiagnosis, DifferentialGermanyHistory, 19th CenturyHumansPsychiatry--historyPsychotic Disorders--diagnosisSchizophrenia--diagnosis