Patten, Bradley Merrill,  1889- <br/><br/>
Foundations of embryology 
Bradley M. Patten 
 - 2nd. ed. 
 - New York  McGraw-Hill Book  1964 
 - 622 p. : ill. ; 25 cm. 
<br/><br/>p. 573-606. 
<br/><br/><label>LCCN: </label>63-019735 //r893 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology