Metabolism of oxo-bile acids and characterization of recombinant 12α-hydroxysteroid dehydrogenases from bile acid 7α-dehydroxylating human gut bacteria - Doden, Heidi; Sallam, Lina A.; Devendran, Saravanan; Ly, Lindsey; Doden, Greta; Daniel, Steven L.; Alves, João Marcelo Pereira; Ridlon, Jason M. (Antimicrobial Agents and Chemotherapy, 2018)