The value of chlor-trimeton in the prevention of immediate reactions to 70 per cent urokon.
D018926:Anti-Allergic Agents; D035843:Biomedical Research; D002744:Chlorpheniramine; D003287:Contrast Media; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D014567:Urography
D018926:Anti-Allergic Agents; D003287:Contrast Media; D006634:Histamine H1 Antagonists; D002744:Chlorpheniramine
ANTIHISTAMINICS/therapeutic use; CONTRAST MEDIA; URINARY TRACT/radiography