Schellpfeffer, M A <br/><br/>
A spontaneous combined (heterotopic) pregnancy: a case report.  [electronic resource] 

 -  Wisconsin medical journal  Aug 1992 
 - 482-4 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0043-6542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Dilatation and Curettage<br/>Female<br/>Humans<br/>Pregnancy<br/>Pregnancy, Tubal--diagnosis<br/>Risk Factors<br/>Ultrasonography