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To the Editor:—
Probably all persons interested in the subject of cancer will agree with Dr. Austin V. Diebert (The Journal, Sept. 2, 1950, page 64) when he urges that the recent work on association of cigaret smoking and cancer of the lung should not lead us "to close our eyes to the possible or probable existence of other cancerigenic agents in any future search for the causes of cancer of the lung, larynx and nasal sinuses." Speaking for one of the groups referred to by Dr. Diebert (Levin, M. L.; Goldstein, H., and Gerhardt, P. R.: J. A. M. A.143:336 [May 27] 1950), I should like to emphasize that it was not our intention to suggest that smoking is "the" cause of lung cancer or that it "tells all or most of the story of respiratory carcinogenisis." In the concluding paragraph of the paper referred to above
Levin ML. TOBACCO SMOKING AND CANCER. JAMA. 1950;144(9):782. doi:10.1001/jama.1950.02920090056026