Twin research.
International Society for Twin Studies.
Houndsmills : Stockton,
c1998-c2004.
Index medicus
The official journal of the International Society for Twin Studies.
Twins
Multiple birth
Also available via World Wide Web; OCLC FirstSearch Electronic Collections Online; Subscription required for access to abstracts and full text.
Twin research (Online)
Acta geneticae medicae et gemellologiae
Twin research and human genetics