Harper, Michael J. K. <br/><br/>
Birth control technologies / 
Michael J.K. Harper 
 - London:  William Heinemann Medical Books,  1983. 
 - 271 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0433133104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth control
<br/><br/><label>LC Class. No.: </label>WP 630