Dahlberg, Gunnar <br/><br/>
Twin births and twins from a hereditary point of view 

 - Stockholm   : Tidens Tryckeri,   1926 
 - 296p.   : ill.   ; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Twins<br/>Heredity<br/>Human
<br/><br/><label>LC Class. No.: </label>GN295.T9D27