Richards, Robert N. <br/><br/>
Venereal diseases and their avoidance 
by Robert N. Richards 
 - Rinehart and Winston, New York  Holt  1974 
 - 187 p. : ill. ; 29 cm. 
<br/><br/><label>ISBN: </label>0030103665 
<br/><br/><label>LCCN: </label>73-08206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sexually transmitted diseases