C. RAYMOND ZEISS, M.D.; R. PATTERSON, M.D.; J. J. PRUZANSKY, PH.D.
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To the editor: The report by Lichtenstein, Norman, and Winkenwerder, "A Single Year of Immunotherapy for Ragweed Hay Fever" [Ann Intern Med 75:663-671, 1971], leaves certain points that could be clarified.
The abstract states, "Treatment with either crude ragweed or purified antigens showed a significant amelioration of symptoms." For the readers of the abstract this would imply efficacy of ragweed immunotherapy. In the discussion it is concluded that "immunotherapy is not now effective enough to call for widespread use". For the reader who is not a specialist in allergic diseases these statements could be confusing. The authors may wish to
ZEISS CR, PATTERSON R, PRUZANSKY JJ. Hay Fever Therapy. Ann Intern Med. ;76:667–668. doi: 10.7326/0003-4819-76-4-667
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Published: Ann Intern Med. 1972;76(4):667-668.
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