@misc{indiciae98131fe2eec7, title = {Iohexol compared with metrizoate in urography.}, author = {K Levorstad and A Kolbenstvedt and E W Løyning}, year = {1983}, doi = {10.1177/028418518302400411}, url = {https://pubmed.ncbi.nlm.nih.gov/6637574/}, note = {Source identifier: 6637574} }