Novak, Emil,  1883-1957. <br/><br/>
Gynecological and obstetrical pathology,  with clinical and endocrine relations ... 

 - 2d ed. ... 
 - Philadelphia [etc.]  Saunders,  1947. 
 - xiii, 570 p.  ill. 
<br/><br/> Chapter 34, Abnormalities and diseases of the placenta and appendages (other than hydatidiform mole and chorionepithelioma) by L. M. Hellman. 
<br/><br/><label>LCCN: </label>med47000401  
<br/><br/><label>LC Class. No.: </label>RG99  / .N68 1947 
<br/><br/><label>National Library of Medicine Call No.: </label>WP 140  / N935g 1947