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National and State Patterns of Teen Births in the United States, 1940-2013
Stephanie J. Ventura
Brady E. Hamilton
T. J. Mathews
出版
U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics
, 2014
URL
http://books.google.com.hk/books?id=4XG2oQEACAAJ&hl=&source=gbs_api
註釋
"This report represents trends from 1940 through 2013 in national birth rates for teenagers, with particular focus on the period since 1991. The percent changes in rates for 1991-2012 and for 2007-2012 are presented for the United States and for states. Preliminary data for 2013 are shown where available."--Page [1].
