By Perls Thomas T.   Fretts Ruth C.   in Annals of Human Biology

ISSN:1464-5033|28|3|237-245

Informa Healthcare‎(2001)‎

Access to resources Favorite 11.496166

By Farrow Victoria A.   Goldenberg Robert L.   Fretts Ruth   Schulkin Jay   in Journal of Maternal-Fetal and Neonatal Medicine

ISSN:1476-4954|26|8|748-752

Informa Healthcare‎(2013)‎

Access to resources Favorite 9.405937