Reproductive EndocrinologyChanging sex ratio in the United States, 1969–1995
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Keywords
Sex ratio
vital statistics
time trends
Cited by (0)
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National Center for Environmental Health, Centers for Disease Control and Prevention.
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Rollins School of Public Health, Emory University.
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National Center for Health Statistics, Centers for Disease Control and Prevention.
Copyright © 1998 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.