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Luján J, Hernández Q, Valero G, de las Heras M, Gil J, Frutos D, Parrilla P.Luján J, et al. Among authors: valero g.Cir Esp. 2006 Feb;79(2):89-94. doi: 10.1016/s0009-739x(06)70826-0.Cir Esp. 2006.PMID: 16539946Free article.Spanish.
Valero G, Luján JA, Hernández Q, De Las Heras M, Pellicer E, Serrano A, Parrilla P.Valero G, et al.Int J Colorectal Dis. 2003 Nov;18(6):495-9. doi: 10.1007/s00384-003-0520-1. Epub 2003 Jul 15.Int J Colorectal Dis. 2003.PMID: 14517686