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Dear Editor-in-Chief,

I refer to the journal article recently published in Supportive Care in Cancer: Choi T-Y, Lee M, Kim T-H, Zaslawski C, Ernst E (2012) Acupuncture for the treatment of cancer pain: a systematic review of randomised clinical trials. Supportive Care in Cancer 20(6): 1147–1158

I was interested to read this paper as I am one of the authors of a Cochrane Systematic Review: Paley C, Johnson M, Tashani O, Bagnall A-M (2011) Acupuncture for cancer pain in adults. Cochrane Database of Systematic Reviews.

The paper by Choi et al. records the existence of only two systematic reviews (Lee 2005 and Peng 2010) and has neglected to mention our Cochrane review, which I find surprising as the Cochrane library was searched as part of their methodology.

I also note that our Cochrane review was cited in the paper as reference 49, so it is clear that the authors had seen our published review but neglected to mention it earlier.

I would be interested to have the views of the authors on this omission.

Yours sincerely,

Carole Paley

Research Manager

Airedale NHS Foundation Trust