TY  - RPRT
TI  - Various 18-substituted progesterones.
AU  - R A Auel
AU  - R W Freerksen
AU  - D S Watt
PY  - 1978
DO  - 10.1016/0039-128x(78)90050-8
UR  - https://pubmed.ncbi.nlm.nih.gov/663975/
ID  - 663975
ER  -