CHARLES D. WILLIAMS JR., M.D., F.A.C.P.
To the editor: I enjoyed the article by McConnell and associates, "Asthma Caused By Nickel Sensitivity" (Ann Intern Med 78:888-890, 1973), but take exception to the statement, "Although contact dermatitis has been shown to occur with the salts of nickel, platinum, chromium, and cobalt, only platinum salts have been associated with asthma."
Asthma from chromium compounds has been reported on numerous occasions from occupational exposures to ammonium bichromate (1), chromic acid (2-5), chromite ore (6), preheat welding with a railroad rod (7), chrome yellow spray paint (9), and zinc Chromate primer paint (5). Chromium compounds are ubiquitous and may be
WILLIAMS CD. Asthma and Metals. Ann Intern Med. ;79:761–762. doi: 10.7326/0003-4819-79-5-761_2
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Published: Ann Intern Med. 1973;79(5):761-762.
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