02333oam 2200589I 450 991071191820332120190419132105.0(CKB)5470000002488913(OCoLC)1015670083(EXLCZ)99547000000248891320110419d1972 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierTrends in "prematurity" United States : 1950-67 /Helen C. Chase and Mary E. ByrnesRockville, Md. :U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics,1972.1 online resource (iv, 51 pages) illustrationsVital and health statistics. Series 3, Analytical studies ;number 15DHEW publication ;no. (HSM) 72-1030"January 1972.""An analysis of the trend in live births registered in the United States, 1950-67 by weight at birth and period of gestation, including an assessment of the quality of the data. Other factors, such as age of mother, plurality, sex, and delivery in hospitals are included insofar as they have a bearing on the trends."Includes bibliographical references (pages 30-32).Trends in "prematurity" Premature infantsUnited StatesStatisticsBirth weightUnited StatesStatisticsNewborn infantsUnited StatesStatisticsPremature infantsfastUnited StatesStatistics, MedicalUnited StatesfastStatistics.fastStatisticsMedical.fastStatistics.lcgftPremature infantsBirth weightNewborn infantsPremature infants.Chase Helen C.1399150Byrnes Mary E.National Center for Health Statistics (U.S.),SXTSXTOCLCOOCLCFOCLCQOCLCOGPOBOOK9910711918203321Trends in "prematurity"3549413UNINA