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To the Editor:
—Your editorial (May 12, 1923, p. 1383) called our attention to some early work on ethylene. Twice in the progress of our own work (spring, 1918, and summer, 1922) we made, as we thought, a thorough search of the literature for possible references to ethylene, assisted the last time by an expert medical librarian. Unfortunately we failed to find this bibliography. We cannot understand why these early results which, according to the editorial statements, seemed so promising, failed to stimulate the original authors or the later pharmacologists and anesthetists to extend the work during the intervening thirty-eight years as we have done; perhaps their interest was in an investigation of the probable toxic and not the anesthetic properties of ethylene.
Increase of Typhoid Fever in Manila.
—Typhoid fever, says Dr. Proceso Gabriel (Rev. de Med. y Farm., January, 1923) has shown a steady increase in Manila during
Luckhardt AB, Carter JB. "NEW ANESTHETICS: ETHYLENE AND ACETYLENE". JAMA. 1923;80(20):1476. doi:10.1001/jama.1923.02640470054036