Dryden, Richard <br/><br/>
Before birth / 
Richard Dryden 
 - London :  Heinemann Educational Books,  1978 
 - xiii, 178 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography : p. 168-172 
<br/><br/><label>ISBN: </label>043560225X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology<br/>Fetus
<br/><br/><label>National Library of Medicine Call No.: </label>QS604.3  / .D799b 1978 9