TY  - JOUR
A1  - El-Sayed, A.M.
A1  - Tracy, M.
A1  - Galea, S.
T1  - Life course variation in the relation between maternal marital status and preterm birth
Y1  - 2012
DO  - 10.1016/j.annepidem.2012.01.002
JF  - Annals of Epidemiology
VL  - 22
IS  - 3

ER  -