Bulmer, M. G. <br/><br/>
The biology of twinning in man 

 - Oxford,  Clarendon  1970. 
 - ix, 205 p.  illus. 
<br/><br/><label>ISBN: </label>0198573472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Twins.<br/>Embryology, Human.
<br/><br/><label>LC Class. No.: </label>MED QM611  / .B84