Drug absorption in the gut.
D000042:Absorption; D001682:Biological Availability; D002626:Chemistry, Pharmaceutical; D004347:Drug Interactions; D005769:Gastrointestinal Motility; D006801:Humans; D007408:Intestinal Absorption; D007477:Ions; D007700:Kinetics; D009061:Mouth Mucosa / Q000378:metabolism; D004364:Pharmaceutical Preparations / Q000378:metabolism*; D012007:Rectum / Q000378:metabolism; D012995:Solubility; D013997:Time Factors
D007477:Ions; D004364:Pharmaceutical Preparations