KARN, M N <br/><br/>
Twin data; a further study of birth weight, gestation time, maternal age, order of birth, and survival.  [electronic resource] 

 -  Annals of eugenics  Feb 1953 
 - 233-48 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Standard No.: </label>10.1111/j.1469-1809.1953.tb02548.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth Weight<br/>Female<br/>Humans<br/>Maternal Age<br/>Parturition<br/>Twins