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Two important tools in Nuclear Medicine: the ”scintillation camera” by Hal Anger in 1958 and the commercial development of Technetium-99m in 1960, allowed for the imaging of radiotracers circulating through different portions of the heart in real time.Among the first uses was the detection of intracardiac shunts, soon followed by the measurements of regional myocardial perfusion and regional ventricular function.Fein and Seligman invented the radioiodine method for measuring plasma volume.By 1943, radioiodinated bovine albumin, the so-called “first true radiopharmaceutical” was used in humans.He subsequently studied patients with thyrotoxicosis, anemia, polycythemia vera, carcinoma, and heart disease.He examined the effects of physiologic and pharmacologic stresses and with his colleagues, and published 22 articles, chiefly in the Journal of Clinical Investigation. Everything you see here is absolutely FREE to watch. COM team works hard to keep you hard with constant, fresh porno vids posted on a DAILY basis! We've beefed up our porno playground with brand new features that are light years ahead of the so-called competition.

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