TY  - JOUR
A1  - Vyas, Seema
A1  - Kumaranayake, Lilani
T1  - Constructing socio-economic status indices: how to use principal components analysis
Y1  - 2006
DO  - 10.1093/heapol/czl029
JF  - Health Policy and Planning
VL  - 21
IS  - 6
SP  - 459
EP  - -468

ER  -