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van Laarhoven AIM, Kraaimaat FW, Wilder-Smith OH, van de Kerkhof PCM, Evers AWM.van Laarhoven AIM, et al. Among authors: van de kerkhof pcm.Pain. 2010 May;149(2):332-337. doi: 10.1016/j.pain.2010.02.026. Epub 2010 Mar 11.Pain. 2010.PMID: 20226590
van Laarhoven AIM, Vogelaar ML, Wilder-Smith OH, van Riel PLCM, van de Kerkhof PCM, Kraaimaat FW, Evers AWM.van Laarhoven AIM, et al. Among authors: van de kerkhof pcm, van riel plcm.Pain. 2011 Jul;152(7):1486-1494. doi: 10.1016/j.pain.2011.01.043. Epub 2011 Feb 24.Pain. 2011.PMID: 21353388Clinical Trial.