TY  - RPRT
TI  - [Contraception in perimenopause].
AU  - G S Merki-Feld
PY  - 2000
DO  - 10.1024/0040-5930.57.10.613
UR  - https://pubmed.ncbi.nlm.nih.gov/11081372/
ID  - 11081372
ER  -