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Cyclic variations in date of last menstrual period of mothers of infants with congenital malformations in South Wales, 1964-66. Issue 4 (November 1972)
Record Type:
Journal Article
Title:
Cyclic variations in date of last menstrual period of mothers of infants with congenital malformations in South Wales, 1964-66. Issue 4 (November 1972)
Main Title:
Cyclic variations in date of last menstrual period of mothers of infants with congenital malformations in South Wales, 1964-66.