Description
Item Description:"Sponsored by the Center for Population Research, National Institute of Child Health and Human Development."
Electronic resource.
Physical Description:1 online resource (xii, 458 pages) : illustrations.
Format:Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
Bibliography:Includes bibliographical references.
ISBN:9781468432374 (electronic bk.)
1468432370 (electronic bk.)