Hook, E B <br/><br/>
Rates of trisomy 18 in livebirths, stillbirths, and at amniocentesis.  [electronic resource] 

 -  Birth defects original article series  1979 
 - 81-93 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0547-6844 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abortion, Spontaneous--genetics<br/>Adult<br/>Amniocentesis<br/>Canada<br/>Chromosomes, Human, 13-15<br/>Chromosomes, Human, 16-18<br/>Down Syndrome--genetics<br/>Female<br/>Fetal Death--genetics<br/>Humans<br/>Maternal Age<br/>Middle Aged<br/>Pregnancy<br/>Trisomy<br/>United States