Ningqi Hou, Barry M Popkin, David R Jacobs, Jr., Yan Song, David Guilkey, Cora E. Lewis, Penny Gordon-Larsen
Health Place.
Author manuscript; available in PMC 2011 November 1.Published in final edited form as: Health Place. 2010 November; 16(6): 1206–1215. Published online 2010 August 10. doi: 10.1016/j.healthplace.2010.08.005