TY  - JOUR
A1  - Finer, B.L.
A1  - Zolna, M.R.
T1  - Shifts in intended and unintended pregnancies in the United States, 2001–2008
Y1  - 2014
DO  - 10.2105/AJPH.2013.301416
JF  - American Journal of Public Health
VL  - 104
IS  - S1

ER  -