Gresham, E L <br/><br/>
Maternal-fetal urea concentration difference in man: metabolic significance.  [electronic resource] 

 -  The Journal of pediatrics  Nov 1971 
 - 809-11 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-3476 
<br/><br/><label>Standard No.: </label>10.1016/s0022-3476(71)80396-7  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Fetus--metabolism<br/>Humans<br/>Maternal-Fetal Exchange<br/>Pregnancy<br/>Time Factors<br/>Umbilical Arteries<br/>Urea--blood<br/>Veins