?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Coombes%2C+Z&rft.aufirst=Z&rft.aulast=Coombes&rft.atitle=Progestogens+are+metabolized+by+the+gut+microbiota%3A+Implications+for+colonic+drug+delivery&rft.volume=12&rft.date=12+August+2020&rft.issue=8&rft.title=Pharmaceutics&rft.genre=article