The Harvard medical school guide to healthy eating during pregnancy/ 
W. Allan Walker with Courtney Humphries 
 - New York:  McGraw-Hill,  2006 
 - xxv, 211p.;  23cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0071443320 9780071443326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pregnancy<br/>Prenatal care<br/>Prenatal Nutrition Physiology