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To the Editor:
—On visiting the venereal disease exhibit of the United States Public Health Service at the Chicago Century of Progress Exposition I saw a statement which, in my opinion, is not alone incorrect but, in addition, does a grave injustice to American science. I refer to the statement which lists Meinicke as the originator of the precipitation test for syphilis.Ten years before Meinicke began to write on precipitation with syphilitic serums, Michaelis (1907) published his "Precipitinreaktion bei Syphilis." In 1910, Jacobstahl reported a precipitation test which required the dark field microscope to read the results. In 1911, Bruck and Hidaka showed that, by modifying the technic, the use of the microscope was not necessary. In 1915, Hecht published a precipitation method of his own. In 1917, Meinicke published a "water and salt solution" method based on precipitation. In 1918, Sachs and Georgi published a precipitation test which
Weinstein I. PRECIPITATION TESTS FOR SYPHILIS. JAMA. 1933;101(7):542. doi:10.1001/jama.1933.02740320052026