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JAMA. 1920;74(11):749. doi:10.1001/jama.1920.02620110039017.
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Feb. 28, 1920.

The Academy of Medicine  During the recent sessions of this association the following subjects have been discussed: Dr. Godoy Alvarez read an interesting paper on the symptomatology, and the medical and surgical treatment of the common duct obstructions, which was very widely discussed and served to bring to the fore again the virtues of the springs of Tehuacan in lithiasis. Dr. B. Vasconcelos reported a case of probable syphilitic reinfection following treatment with intravenous injections of arsphenamin and intramuscular injections of mercury. The case was in a young man who about the middle of 1917 had an indurated chancre, the syphilitic character of which was demonstrated by the presence of spirochetes. The patient had no secondary manifestations and received six injections of arsphenamin and about ten of mercurial oil. In December, 1919, after exposing himself again and after an incubation period estimated at fourteen days, he presented


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