TY - RPRT TI - Ionic versus nonionic paramagnetic contrast media in differentiating between postoperative scar and recurrent disk. AU - Jui-Sheng Hsu AU - Gin-Chung Liu AU - Shih-Hsien Chen AU - Twei-Shiun Jaw AU - Wun-Jer Shen AU - Chiao-Yun Chen UR - https://pubmed.ncbi.nlm.nih.gov/15205160/ ID - 15205160 ER -