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Zevallos JC, Yarzebski J, González JA, Banchs HL, García-Palmieri M, Mattei H, Ayala J, González M, Torres V, Ramos IN, Pericchi LR, Torres DA, González MC, Goldberg RJ.Zevallos JC, et al.P R Health Sci J. 2013 Sep;32(3):138-45.P R Health Sci J. 2013.PMID: 24133895
Frederick CM, Penugonda M, Suh E, Canto Costa Fonseca MB, Trejo Varon R, Zevallos R, Zevallos JC.Frederick CM, et al. Among authors: zevallos jc.P R Health Sci J. 2019 Dec;38(4):231-236.P R Health Sci J. 2019.PMID: 31935308