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- [32] RIBOFLAVIN NUTRITIONAL-STATUS AND ABSORPTION IN ORAL-CONTRACEPTIVE USERS AND NONUSERS AMERICAN JOURNAL OF CLINICAL NUTRITION, 1979, 32 (10): : 2047 - 2051
- [38] MULTIPLE BIRTHS IN FORMER ORAL-CONTRACEPTIVE USERS BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1979, 86 (07): : 557 - 562