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—In the article by Dr. Louis J. Hirschman in The Journal, November 28, page 1609, the strength of the nupercaine solution advised for infiltration anesthesia should be 0.05 per cent instead of 0.5 per cent. The strength of the procaine solution mentioned is correct.
"Focal Infection of Anal Origin.". JAMA. 1931;97(24):1807. doi:10.1001/jama.1931.02730240057020