TY  - JOUR
A1  - Johnson, P.J.
A1  - Call, K.T.
A1  - Blewett, L.A.
T1  - The importance of geographic data aggregation in assessing disparities in American Indian prenatal care
Y1  - 2010
DO  - 10.2105/AJPH.2008.148908
VL  - 100
IS  - 1

ER  -