Bloch, Amy J <br/><br/>
Correlation of β-human chorionic gonadotropin with ultrasound diagnosis of ectopic pregnancy in the ED.  [electronic resource] 

 -  The American journal of emergency medicine  May 2013 
 - 876-7 p.  digital 
<br/><br/> Publication Type: Evaluation Study; Letter 
<br/><br/><label>ISSN: </label>1532-8171 
<br/><br/><label>Standard No.: </label>10.1016/j.ajem.2013.01.009  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biomarkers--blood<br/>Chorionic Gonadotropin, beta Subunit, Human--blood<br/>Emergency Service, Hospital<br/>Endosonography<br/>Female<br/>Humans<br/>Pregnancy<br/>Pregnancy, Ectopic--blood<br/>Retrospective Studies