TY  - JOUR
A1  - Merdad, L.
A1  - Hill, K.
A1  - Graham, W.
T1  - Improving the measurement of maternal mortality: The sisterhood method revisited
Y1  - 2013
DO  - 10.1371/journal.pone.0059834
VL  - 8
IS  - 4

ER  -