James, W H <br/><br/>
Birth ranks of spontaneous abortions in sibships of children affected by anencephaly or spina bifida.  [electronic resource] 

 -  British medical journal  Jan 1978 
 - 72-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-1447 
<br/><br/><label>Standard No.: </label>10.1136/bmj.1.6105.72  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abortion, Spontaneous--genetics<br/>Anencephaly--genetics<br/>Birth Order<br/>Female<br/>Humans<br/>Pregnancy<br/>Spina Bifida Occulta--genetics<br/>Statistics as Topic