Pakstis, A J <br/><br/>
Gene frequency estimates for samples of Black and White twins from the Philadelphia metropolitan area.  [electronic resource] 

 -  Human genetics  Aug 1978 
 - 159-77 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0340-6717 
<br/><br/><label>Standard No.: </label>10.1007/BF00293593  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Black People<br/>Blood Group Antigens<br/>Blood Proteins--genetics<br/>Female<br/>Gene Frequency<br/>Humans<br/>New Jersey<br/>Pennsylvania<br/>Pregnancy<br/>Twins<br/>White People<br/>Black or African American