Johnson, M. H. <br/><br/>
Essential reproduction / 
Martin H. Johnson and Barry J. Everitt. 
 - 3rd ed. 
 - Oxford :  Blackwell Scientific Publications ;  1988. 
 - xi, 377 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0632021837 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mammals--Reproduction.