TY  - JOUR
A1  - Kaufmann, R.B.
A1  - Morris, L.
A1  - Spitz, A.M.
T1  - Comparison of two question sequences for assessing pregnancy intentions
Y1  - 1997
UR  - http://aje.oxfordjournals.org/cgi/content/abstract/145/9/810 
JF  - American Journal of Epidemiology
VL  - 145
IS  - 9
SP  - 810
EP  - -816

ER  -