By Frisbie W.   Hummer Robert   Powers Daniel   Song Seung-Eun   Pullum Starling   in Population Research and Policy Review

ISSN:0167-5923|29|3|395-422

Springer Publishing Company ‎(2010)‎

Access to resources Favorite 6.817772

By Frisbie W.P.   in Maternal and Child Health Journal

ISSN:1092-7875|5|1|21-33

Springer Publishing Company ‎(2001)‎

Access to resources Favorite 3.328406