https://www.endocrine.org/news-and-advocacy/news-room/2017/estetrol-e4-shows-promise-as-a-safe-effective-drug-for-use-in-advanced-prostate-cancer
The natural fetal estrogen estetrol, also called E4, is being tested as a new drug that may help treat advanced prostate cancer, according to an ongoing...
estetrolshowspromisesafeeffective