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Contraceptive Efficacy Among Married Women, Aged 15-44 Years, United States
National Center for Health Statistics (U.S.)
Barbara Vaughan
出版
U.S. Department of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics
, 1980
主題
Health & Fitness / Sexuality
ISBN
0840601778
9780840601773
URL
http://books.google.com.hk/books?id=kVCSQgAACAAJ&hl=&source=gbs_api