Brown, D L <br/><br/>
Peripheral hypoechoic rim of the fetal heart.  [electronic resource] 

 -  Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine  Sep 1991 
 - 520 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>0278-4297 
<br/><br/><label>Standard No.: </label>10.7863/jum.1991.10.9.520  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Fetal Heart--diagnostic imaging<br/>Humans<br/>Myocardium<br/>Pregnancy<br/>Ultrasonography, Prenatal