Savitz, D A <br/><br/>
Only some questions of cause and effect can be evaluated in highly selected populations.  [electronic resource] 

 -  BJOG : an international journal of obstetrics and gynaecology  05 2018 
 - 647-648 p.  digital 
<br/><br/> Publication Type: Journal Article; Comment 
<br/><br/><label>ISSN: </label>1471-0528 
<br/><br/><label>Standard No.: </label>10.1111/1471-0528.15001  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Infant, Newborn<br/>Infant, Newborn, Diseases