Abstract
To the Editor: The observation during a short time of two men who both had severe scleroderma and were welders by occupation raised the question of another environmental occupational association with scleroderma besides those already known, vinyl chloride and silicates (Fessel WJ: Rheumatology for Clinicians. New York, Stratton Intercontinental, 1975, pp 210–214). Occupational histories taken from the remaining 12 patients with scleroderma who attend this clinic revealed three more who had been welders for several years before their scleroderma began. Thus, five of the 14 patients (eight men and six women) had been welders. It required careful inquiry to . . .

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