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Sub-Lingual Immunotherapy: World Allergy Organization Position Paper 2009

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World Allergy Organization acknowledges Ronald L. Rabin for reviewing this Position Paper. Ken Rainey, Medical Writer, and Karen Henley, WAO Global Project Director, are acknowledged for their assistance in editing and coordinating the manuscript.

This article is co-published as a supplement to the December 2009 issue of Allergy.

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Correspondence to G Walter Canonica.

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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution License ( ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Canonica, G.W., Bousquet, J., Casale, T. et al. Sub-Lingual Immunotherapy: World Allergy Organization Position Paper 2009. World Allergy Organ J 2, 233–281 (2009).

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