Radiopaque codification and x-ray identification of ingested drugs.
D005769:Gastrointestinal Motility; D006801:Humans; D011041:Poisoning / Q000175:diagnosis*; D011868:Radioisotopes; D013608:Tablets, Enteric-Coated
D011868:Radioisotopes; D013608:Tablets, Enteric-Coated