TY  - RPRT
TI  - Progesterone-only contraceptives.
AU  - M Bodin
PY  - 1972
DO  - 10.1016/s0140-6736(72)91081-1
UR  - https://pubmed.ncbi.nlm.nih.gov/4113444/
ID  - 4113444
ER  -