MARSALEK, J <br/><br/>
Changes in the uterine isthmus during early pregnancy.  [electronic resource] 

 -  American journal of obstetrics and gynecology  Sep 1962 
 - 591-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Humans<br/>Pregnancy--physiology<br/>Uterus--physiology