Maternal nutritional factors and congenital anomalies: a guide for epidemiological investigation. Introduction to Part IV.
Kaiser Permanente Medical Program, Division of Research, Oakland, California 94611-5463.
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Schaffer
D000818:Animals; D000013:Congenital Abnormalities / Q000453:epidemiology* / Q000209:etiology; D005260:Female; D006801:Humans; D009752:Nutritional Status; D011247:Pregnancy