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  1. 1

    Health and demographic characteristics of twin births : United States, 1988 by Taffel, Selma

    Published: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics, 1992
    Description: iii, 17 pages : illustrations ; 28 cm.
    Government Document Book
  2. 2

    Maternal weight gain and the outcome of pregnancy, United States, 1980 : an analysis of maternal weight gain during pregnancy by demographic characteristics of mothers and its asso... by Taffel, Selma

    Published: U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics ; For sale by the Supt. of Docs., U.S. G.P.O., 1986
    Description: iv, 25 pages : illustrations ; 28 cm.
    Book