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Google圖書搜尋
Teenage Births in the United States
Stephanie J. Ventura
Sally C. Curtin
T. J. Mathews
其他書名
National and State Trends, 1990-96
出版
U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics
, 1998
URL
http://books.google.com.hk/books?id=Y9NWzgEACAAJ&hl=&source=gbs_api