Media type: E-Article Title: Background and Methodology of a Study of Congenital Malformations Contributor: Hay, Sylvia; Lunde, Anders S.; Mackeprang, Muriel imprint: JSTOR, 1970 Published in: Public Health Reports (1896-1970) Language: English DOI: 10.2307/4594002 ISSN: 0094-6214 Keywords: General Medicine Origination: Footnote: Access State: Open Access