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Weight at Birth and Cause of Death in the Neonatal Period, United States, Early 1950

其他書名	Statistics Derived from Vital Records on Neonatal Mortality by Age and Cause According to Weight at Birth, by Color and Sex, for Infants Born in the United States During the First 3 Months of 1950
出版	U.S. Department of Health, Education, and Welfare, Public Health Service, 1965
URL	http://books.google.com.hk/books?id=lbUee7vl2f8C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN