Description
Item Description:"Statistics derived from vital records on neonatal mortality by weight at birth and gestation age, by color and sex, to infants born in the United States during the first 3 months of 1950."
"This report was originally published in Vital Statistics-Special Reports, Volume 39, Number 1 (July 1954)"--Page 2 of cover.
"July 1965."
Physical Description:1 online resource (33 pages) : illustrations.
Bibliography:Includes bibliographical references (page 25).