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To the Editor:—
A search of the medical literature reveals no mention of frostbite due to freezing by propane. We have recently encountered such a case and have heard of several other cases scattered through our territory. Because of the increasing use of propane in combustion engines, particularly in rural areas, such accidents are likely to become more frequent. The people who handle propane, as well as the medical profession, should be aware of the hazard of frostbite when this gas is used. Recently farmers have converted a large number of tractors from gasoline to propane. Propane is said by its proponents to be more economical, to have higher octane with less carbon, and to permit longer motor life. Because it is stored as a liquid under pressure, a heavier tank is required for propane and it is more difficult to handle than is gasoline. When the pressure is released,
Hubbard GB, Johnston LM. FROSTBITE DUE TO PROPANE. JAMA. 1955;157(17):1579. doi:10.1001/jama.1955.02950340109016