Patterns of birthweights

书目详细资料
主要作者:	Puffer, Ruth Rice 1907-
其他作者:	Serrano, Carlos V.
格式:	图书
语言:	English
出版:	Washington, D.C., U.S.A. Pan American Health Organization, Pan American Sanitary Bureau 1987
主题:	Birth weight > Statistics. Pregnancy > Statistics.