X-ray verifying placement of the first cardiac catheterization, which Werner Forssmann performed on himself in 1929 [582 x 491]
#vintage #X-ray verifying placement of the first cardiac catheterization, which Werner Forssmann performed on himself in 1929 [582 x 491] #history #HistoryPorn #Bot http://ift.tt/2nUxbJS
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