TY  - JOUR
A1  - Zhu, B.P.
T1  - Effects of interpregnancy interval on birth outcomes. Findings from three recent US studies
Y1  - 2005
DO  - 10.1016/j.ijgo.2004.08.002
JF  - International Journal of Gynecology and Obstetrics
VL  - 89
IS  - 1
SP  - S25
EP  - -S33

ER  -