TY  - RPRT
TI  - Modern contraception: a 1989 update.
AU  - A Rosenfield
PY  - 1989
DO  - 10.1146/annurev.pu.10.050189.002125
UR  - https://pubmed.ncbi.nlm.nih.gov/2655639/
ID  - 2655639
ER  -