el Farra, K <br/><br/>
Ectopic pregnancy: what's new?  [electronic resource] 

 -  Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology  May 1995 
 - 295-6 p.  digital 
<br/><br/> Publication Type: Comment; Journal Article 
<br/><br/><label>ISSN: </label>0960-7692 
<br/><br/><label>Standard No.: </label>10.1046/j.1469-0705.1995.05050295.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chorionic Gonadotropin--blood<br/>Chorionic Gonadotropin, beta Subunit, Human<br/>Female<br/>Humans<br/>Peptide Fragments--blood<br/>Predictive Value of Tests<br/>Pregnancy<br/>Pregnancy, Ectopic--diagnosis<br/>Sensitivity and Specificity<br/>Ultrasonography, Prenatal