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The Father of Nonionic Contrast Media Professor Torsten Almén, MD, PhD (1931–2016)

Tweedle, Michael F. PhD

doi: 10.1097/RLI.0000000000000305
In Memoriam
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From the Department of Radiology, The Ohio State University, Columbus, OH.

Received for publication May 10, 2016; and accepted for publication, after revision, May 10, 2016.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Michael F. Tweedle, PhD, Department of Radiology, The Ohio State University, Biomedical Research Tower Rm 710, 460 W, 12th Ave, Columbus, OH 43210. E-mail: michael.tweedle@osumc.edu.

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