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Marco JD, Barroso PA, Calvopiña M, Kumazawa H, Furuya M, Korenaga M, Cajal SP, Mora MC, Rea MM, Borda CE, Basombrío MA, Taranto NJ, Hashiguchi Y.Marco JD, et al. Among authors: calvopina m.Am J Trop Med Hyg. 2005 May;72(5):606-11.Am J Trop Med Hyg. 2005.PMID: 15891136Free article.
Calvopiña M, Cevallos W, Atherton R, Saunders M, Small A, Kumazawa H, Sugiyama H.Calvopiña M, et al.PLoS Negl Trop Dis. 2015 Feb 3;9(2):e0003526. doi: 10.1371/journal.pntd.0003526. eCollection 2015 Feb.PLoS Negl Trop Dis. 2015.PMID: 25647171Free PMC article.
Calvopina M, Romero-Alvarez D, Macias R, Sugiyama H.Calvopina M, et al.Am J Trop Med Hyg. 2017 Jan 11;96(1):97-99. doi: 10.4269/ajtmh.16-0351. Epub 2016 Nov 22.Am J Trop Med Hyg. 2017.PMID: 27879464Free PMC article.
Calvopina M, Aguirre C, Cevallos W, Castillo A, Abbasi I, Warburg A.Calvopina M, et al.Am J Trop Med Hyg. 2017 May;96(5):1151-1154. doi: 10.4269/ajtmh.16-0431. Epub 2017 Feb 13.Am J Trop Med Hyg. 2017.PMID: 28193741Free PMC article.