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Franklin ME Jr, Leyva-Alvizo A, Abrego-Medina D, Glass JL, Treviño J, Arellano PP, Portillo G.Franklin ME Jr, et al. Among authors: portillo g.Surg Endosc. 2007 Sep;21(9):1650-3. doi: 10.1007/s00464-007-9237-5. Epub 2007 Feb 23.Surg Endosc. 2007.PMID: 17318689
Franklin ME Jr, Portillo G.Franklin ME Jr, et al. Among authors: portillo g.World J Surg. 2009 Jun;33(6):1306-9. doi: 10.1007/s00268-009-9967-8.World J Surg. 2009.PMID: 19280252
Portillo G, Franklin ME Jr.Portillo G, et al.J Laparoendosc Adv Surg Tech A. 2010 May;20(4):323-7. doi: 10.1089/lap.2009.0201.J Laparoendosc Adv Surg Tech A. 2010.PMID: 20465429Clinical Trial.
Castañeda J, Caire-Juvera G, Sandoval S, Castañeda PA, Contreras AD, Portillo GE, Ortega-Vélez MI.Castañeda J, et al. Among authors: portillo ge.Int J Environ Res Public Health. 2019 Oct 29;16(21):4171. doi: 10.3390/ijerph16214171.Int J Environ Res Public Health. 2019.PMID: 31671822Free PMC article.