Porter, Cedric W. <br/><br/>
Intrauterine devices:  Current perspectives / 
Cedric W. Porter, Ronald S. Waife. 
 - USA :  The Pathfinder Fund,  1978. 
 - 62 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intrauterime devices.
<br/><br/><label>LC Class. No.: </label>WP640