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Rullán M, Carvajal A, Núñez-Córdoba JM, Martínez M, Carrasco JM, García I, Arantzamendi M, Belar A, Centeno C.Rullán M, et al. Among authors: centeno c.J Pain Symptom Manage. 2015 Dec;50(6):874-81.e1. doi: 10.1016/j.jpainsymman.2015.07.016. Epub 2015 Sep 3.J Pain Symptom Manage. 2015.PMID: 26342725Free article.