Leridon, Henri <br/><br/>
Natural fertility = naturelle 

 - Belgium  Ordina Editions  1979 
 - 556p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility, Human
<br/><br/><label>LC Class. No.: </label>DTU HB903.F4N3