TY  - CHAP
A1  - Trussell, J.
A1  - Guthrie, K.A.
T1  - Choosing a contraceptive: Efficacy, safety, and personal considerations
Y1  - 2011
A3  - Hatcher, R.A.
A3  - Trussell, J.
A3  - Nelson, A.L.
A3  - Cates Jr., W.
A3  - Kowal, D.
A3  - Policar, M.S.
T2  - Contraceptive technology
CY  - New York
PB  - Ardent Media, Inc.

ER  -