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3. 人口動態統計記録の利用による中枢神経異常の疫学的研究 : (1)先天異常のMonitoring System
Epidemiologic study on malformations of central nervous system in Japan : Monitoring system of birth defects
Congenital Anomalies
Epidemiologic study on malformations of central nervous system in Japan : Monitoring system of birth defects