@misc{indiciaefc572660fc81, title = {Nonionic dimer: development and initial testing of an intrathecal contrast agent.}, author = {M Sovak and R Ranganathan and U Speck}, year = {1982}, doi = {10.1148/radiology.142.1.6895557}, url = {https://pubmed.ncbi.nlm.nih.gov/6895557/}, note = {Source identifier: 6895557} }