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Start Over You searched for: Publish Year Decade 1970 - 1979 Remove constraint Publish Year Decade: 1970 - 1979 Sudoc Stem HE 20.6209 Remove constraint Sudoc Stem: HE 20.6209

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90. Vital and health statistics: Series 20, Data from National vital statistics system. 14. Study of infant mortality from linked records by age of mother, total-birth order, and other variables, United States, 1960 livebirth cohort [with list of references; by Helen M. Vavra and Linda J. Querec].