TY  - JOUR
A1  - Matthews, S.A.
A1  - Moudon, A.V.
A1  - Daniel, M.
T1  - Using geographic information systems (GIS) for enhancing research relevant to policy on diet, physical activity, and weight
Y1  - 2009
DO  - 10.1016/j.amepre.2009.01.011
JF  - American Journal of Preventive Medicine
VL  - 36
IS  - 4S
SP  - 171
EP  - -176

ER  -