Balinsky, B. I.  1905- <br/><br/>
An introduction to embryology / 
by B. I. Balinsky. 
 - 3rd ed. 
 - Philadelphia :  W. B. Saunders,  1970. 
 - xviii, 725 p. : ill. ; 26 cm. 
<br/><br/>p. 683-709. 
<br/><br/><label>ISBN: </label>0721615171 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology