Differences in the metabolism of drugs depending upon their routes of administration.
D000284:Administration, Oral; D002247:Carbon Isotopes; D004987:Ethers / Q000652:urine; D006801:Humans; D007275:Injections, Intravenous; D007413:Intestinal Mucosa / Q000378:metabolism; D007545:Isoproterenol / Q000008:administration & dosage / Q000378:metabolism* / Q000652:urine; D010636:Phenols / Q000097:blood; D011433:Propranolol / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism*; D012138:Respiratory Therapy; D013464:Sulfuric Acids / Q000652:urine; D014316:Tritium
D002247:Carbon Isotopes; D004987:Ethers; D010636:Phenols; D013464:Sulfuric Acids; D014316:Tritium; D011433:Propranolol; D007545:Isoproterenol