TY  - BOOK
TI  - Contraceptive method mix: Guidelines for policy and service delivery
SN  - 9241544597
U1  - NLM: WP 630 
PY  - 1994///
CY  - England
PB  - World Health Organization
KW  - Contraception - methods. Family planning - methods. Family planning policy
N1  - NLM: WP 630
ER  -