Inglés

The women and their pregnancies
Título The women and their pregnancies ;Kenneth R. Niswander, Myron Gordon [y otros] ; The collaborative perinatal study of the National Institute of Neurological Diseases and Stroke ;
Lugar de publicación [Washington]
Editorial U.S. Department of Health, Education and Welfare. Public Health Service. National Institutes of Health
Fecha de publicación 1972