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To the Editor: The paper, "Urinary Xanthine Stones — a Rare Complication of Allopurinol Therapy," by Greene, Fujimoto and Seegmiller, published in the New England Journal of Medicine for February 20, 1969 (pages 426 and 427), deserves a comment regarding historical accuracy and some clinical implications of medical journalism. Greene
... [Show full abstract] et al. began their paper with the statement, "Since its clinical introduction in 1964, allopurinol...1,2" This statement hardly makes it clear that the compound was relatively well known by 1964, or that it was developed by workers other than those credited in references 1 and 2. Studies of allopurinol . . .