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To the Editor:
—I was much interested in the editorial "Progress With Insulin" (The Journal, August 4, p. 397). I found an insulin-like substance in yeasts (Saccharomyces ellipsoideus and cerevisiae) and in some green corn stalks, and reported my findings in a general way to the Dallas County Medical Society. A record of the report will be found in the Dallas Medical Journal (5:54) and Texas State Journal of Medicine (19:53). I also mentioned the fact that I had noted an insulin-like substance in plant material, while discussing another's paper, before the last meeting of the Texas State Medical Association, held on May 8-10, in Fort Worth. Most of my work up to date has been done on rabbits, a few dogs and cats, and two human beings.
Fetzer LW. INSULIN-LIKE SUBSTANCE FROM PLANTS. JAMA. 1923;81(9):772. doi:10.1001/jama.1923.02650090070035