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Erratum to: Singing classes for chronic obstructive pulmonary disease: a randomized controlled trial
BMC Pulmonary Medicine volume 14, Article number: 181 (2014)
- The original article was published in BMC Pulmonary Medicine 2012 12:69
In our 2012 paper on the effect of singing classes for patients with COPD  which compared them to participation in a films studies group, we cited the wrong clinical trial number – (ISRCTN17544114). This number in fact relates to a previous study we had undertaken, published in 2010 which also evaluated singing classes in COPD but had compared them to a “usual care” arm .
The trial number we should have cited is ISRCTN39714922.
Lord VM, Hume VJ, Kelly JL, Cave P, Silver J, Waldman M, White C, Smith C, Tanner R, Sanchez M, Man WD, Polkey MI, Hopkinson NS: Singing classes for chronic obstructive pulmonary disease: a randomized controlled trial. BMC Pulm Med. 2012, 12 (1): 69-10.1186/1471-2466-12-69.
Lord VM, Cave P, Hume VJ, Flude EJ, Evans A, Kelly JL, Polkey MI, Hopkinson NS: Singing teaching as a therapy for chronic respiratory disease–a randomised controlled trial and qualitative evaluation. BMC Pulm Med. 2010, 10: 41-10.1186/1471-2466-10-41.
The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1471-2466/14/181/prepub
The online version of the original article can be found at 10.1186/1471-2466-12-69
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Lord, V.M., Hume, V.J., Kelly, J.L. et al. Erratum to: Singing classes for chronic obstructive pulmonary disease: a randomized controlled trial. BMC Pulm Med 14, 181 (2014). https://doi.org/10.1186/1471-2466-14-181