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January 2, 1981

Urticaria and Sinusitis

JAMA. 1981;245(1):29. doi:10.1001/jama.1981.03310260013006

To the Editor.—  The article "Laboratory Tests in Chronic Urticaria" describes the study by Jacobson et al (1980;243:1644) that found radiologically determined sinusitis to be an important factor in chronic urticaria. It would be of interest to know which sinuses were involved.