[Clinical analysis, heredity and follow-up studies of mental retardation with schizophrenia]

58 cases of mental retardation with schizophrenia and 60 cases of schizophrenia had been studied in family, clinically analysed and followed up. It was found that there were statistical differences between two groups in forms of onset, age at onset, frequency of symptoms, time of acted effectiveness, out-come and morbidity risk of first degree relative etc.