01443oam 2200373 450 991071713100332120220223142956.0(CKB)5470000002528908(OCoLC)1295848526(OCoLC)995470000002528908(EXLCZ)99547000000252890820220209d2022 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierExploring the decline in the Singleton preterm birth rate in the United States, 2019-2020 /Joyce A. Martin and Michelle J.K. OstermanHyattsville, MD :U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Vital Statistics System,2022.1 online resource (approximately 8 pages) color illustrations, color mapNCHS data brief,1941-4935 ;no. 403"January 2022.""CS328705"--Page 8.Includes bibliographical references (page 7).Martin Joyce A(Epidemiologist),1387015Osterman Michelle J. K.National Center for Health Statistics (U.S.),GPOGPOGPOBOOK9910717131003321Exploring the decline in the Singleton preterm birth rate in the United States, 2019-20203495066UNINA