TY  - RPRT
TI  - Update on oral contraception.
AU  - T Rabe
AU  - B Runnebaum
PY  - 1993
DO  - 10.1016/0028-2243(93)90100-q
UR  - https://pubmed.ncbi.nlm.nih.gov/8365502/
ID  - 8365502
ER  -