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October 14, 1933


Author Affiliations

Hagen-Delstern, Westphalia. Director, Serologischen Instituts und der Lungenheilstätte Ambrock.

JAMA. 1933;101(16):1254-1255. doi:10.1001/jama.1933.02740410056026

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To the Editor:  —In an article in The Journal, August 12, page 542, Dr. Israel Weinstein presents his view of the history of the scientific development of the precipitation tests for syphilis. He apparently discovered an official confirmation of my priority in that part of medical science in the exhibit of the United States Public Health Service at the Chicago Century of Progress Exposition. He gives a list of scientists who published descriptions of precipitation tests for syphilis before I did in 1917. But he forgets to add that those tests never were approved of as reliable in practical laboratory work. None of my predecessors were able to get results of practical value with their methods. My reaction, the description of which was published in 1917, was the first one that proved to be of practical value. That is the main point. I was the first to show that it

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