Brock, D J <br/><br/>
Fertility of older women.  [electronic resource] 

 -  Lancet (London, England)  Jun 1990 
 - 1470 p.  digital 
<br/><br/> Publication Type: Comment; Comparative Study; Letter 
<br/><br/><label>ISSN: </label>0140-6736 
<br/><br/><label>Standard No.: </label>10.1016/0140-6736(90)91504-4  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Birth Rate--trends<br/>England<br/>Female<br/>Fertility<br/>Humans<br/>Infant, Newborn<br/>Maternal Age<br/>Pregnancy, High-Risk<br/>Time Factors<br/>Wales