By Hill JW   Cong Z   Hess G   McGarvey N   Nordyke RJ   in The Journal of International Medical Research

ISSN:0300-0605|40|4|1532-1545

Field House Publishing‎(2012)‎

Access to resources Favorite 9.90429

By Nordyke R.J.   in Health Policy

ISSN:0168-8510|60|1|67-96

Elsevier‎(2002)‎

Access to resources Favorite 3.9449408