Guerriero, S <br/><br/>
The screening of embryonic viability in early asymptomatic pregnancy by a single endosonographic scan associated with plasma human chorionic gonadotropin determination.  [electronic resource] 

 -  Journal of assisted reproduction and genetics  Aug 1994 
 - 346-52 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>1058-0468 
<br/><br/><label>Standard No.: </label>10.1007/BF02214140  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biomarkers--blood<br/>Chorionic Gonadotropin--blood<br/>Confidence Intervals<br/>Embryo, Mammalian--physiology<br/>Embryonic and Fetal Development<br/>Female<br/>Fetus--physiology<br/>Gestational Age<br/>Humans<br/>Luteinizing Hormone--urine<br/>Predictive Value of Tests<br/>Pregnancy<br/>Prospective Studies<br/>Reference Values<br/>Regression Analysis<br/>Sensitivity and Specificity<br/>Ultrasonography, Prenatal--methods<br/>Vagina