01346nam a2200301Ia 4500001000700000003000500007005001700012008004100029010001500070020003300085040001800118043001200136050003200148082004000180100003600220245011100256260022000367300002700587490004700614490009900661500002000760504004900780650004800829650005500877700003200932700002600964710005400990209956BIBL20160527194640.0961127s1997    mdua     bs  f000 0 eng    a 96050049   a0840605242 (acid-free paper)  aDLCcDLCdDLC  an-us---00aHA211b.A3 no. 55aRG698.U600a304.6/3/0973021 sa304.6/3/09732211 aMartin, Joyce A.cM.P.H.2Local00aTriplet birthsbtrends and outcomes, 1971-94c[by Joyce A. Martin, Marian F. MacDorman, and T.J. Mathews].  aHyattsville, Md.bU.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Center for Health StatisticsaWashington, DCbFor sale by the U.S. G.P.O.c1997.  av, 20 p.bill.c28 cm. 0aDHHS publicationvno. (PHS) 97-19332Local 0aVital and health statistics. Series 21, Data from the national vital statistics systemvno. 55  a"January 1997."  aIncludes bibliographical references (p. 11). 0aTripletszUnited StatesxStatistics.2Local 0aMultiple birthszUnited StatesxStatistics.2Local1 aMacDorman, Marian F.2Local1 aMathews, T. J.2Local2 aNational Center for Health Statistics U.S.2Local