TY - RPRT TI - Delayed-type hypersensitivity to a nonionic, radiopaque contrast medium. AU - S Courvoisier AU - A J Bircher PY - 1998 DO - 10.1111/j.1398-9995.1998.tb03846.x UR - https://pubmed.ncbi.nlm.nih.gov/9930602/ ID - 9930602 ER -