TY  - GEN
AU  - Marston,Cicely
AU  - Cleland,John G.
TI  - The effects of contraception on obstetric outcomes
SN  - 9241592257
PY  - 2004///
CY  - Geneva
PB  - World Health Organization
KW  - Contraception
KW  - Pregnancy outcome
KW  - Pregnancy, Unwanted
KW  - Abortion, Induced
KW  - Evidence-based medicine
KW  - Review literature
ER  -