Carey P. McCord, M.D.
JAMA. 1932;98(15):1320. doi:10.1001/jama.1932.02730410084026.
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To the Editor:  —The article by Mahoney on thallium poisoning after cosmetic use (The Journal, February 20, p. 618) has attracted so much interest in this toxic agent it becomes desirable to note other opportunities for damage. In the manufacture of thallium products, those so employed may become affected, leading to occupational thallium poisoning.It may not be maintained that large numbers of workers are exposed to thallium, or that many industries find use for this metal or its compounds. Industrial application has, however, been noted in thallium recovery from flue dusts, from ores and from the sludge of sulphuric acid making; in the making of rat poisons; in the preparation of depilatories and other pharmaceuticals; in making artificial gems; in marine pyrotechnics; in special glasses; in electric cells similar to selenium cells; in disinfectants; in low temperature thermometers as an amalgam with mercury; in light filaments; in dye manufacture,


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