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time had proven side effects like vomiting, nausea and headache. He traveled to Berlin to work with Binz and Alexander von Lichtenberg to accomplish this goal.

By replacing the methyl radical in the compound with a sodium acetate radical, Dr. Swick was able to lower the toxicity of the compound. He increased the solubility to allow for more iodine content. The result was Uroselectan. Injected intravenously, the material cleared the body through the urinary tract and allowed for distinct images as X-rays were taken.

The discovery and development of Uroselectan ushered in a new era in urologic diagnostics. The excretory urogram, or intravenous pyelogram (IVP) allowed physicians to image stones, cysts and tumors with a reasonably non-toxic material. His achievements helped urge progress of numerous sub-specialty areas of urology including urologic oncology, pediatric urology and nephrolithiasis.

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