1.14.14.23 bile acid biosynthesis, neutral pathway - - 1.14.14.23 bile acid biosynthesis, neutral pathway bile acid biosynthesis, neutral pathway - 1.14.14.23 Metabolic pathways - 01100 1.14.14.23 Primary bile acid biosynthesis - 00120 1.14.14.23 Steroid hormone biosynthesis - 00140