title: Air as contrast for cholangiography in a patient with a history of allergy to radiopaque media.
authors.affiliation: Dept. of Medicine, Queen's University, Belfast, Northern Ireland, United Kingdom. p.lim@qub.ac.uk
authors.forename: P L
authors.initials: PL
authors.lastname: Lim
authors.forename: K G
authors.initials: KG
authors.lastname: Porter
mesh_terms: D002758:Cholangiography; D003287:Contrast Media / Q000009:adverse effects*; D006801:Humans; D011029:Pneumoradiography
chemical_list: D003287:Contrast Media