Whelpton, Pascal Kidder  1893, <br/><br/>
Cohort fertility :  Native white women in the united states. 

 - 492 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilidad
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Estados Unidos--Estadistica vital
<br/><br/><label>LC Class. No.: </label>HB915  / W46