TY  - RPRT
TI  - Ovulatory dysfunction during continuous administration of low-dose levonorgestrel by subdermal implants.
AU  - A Faundes
AU  - V Brache
AU  - A S Tejada
AU  - L Cochon
AU  - F Alvarez-Sanchez
PY  - 1991
UR  - https://pubmed.ncbi.nlm.nih.gov/1906017/
ID  - 1906017
ER  -