Walter León

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A study aimed at determining the histopathologic appearance of chromoblastomycotic lesions was undertaken. Biopsies from 26 patients with the disease were examined. It was found that 23 cases (88.46%) exhibited the organized mixed mycotic granuloma — OMMA —, a granuloma modified by the presence polymorphonuclear neutrophils — PMN's. An equal proportion of(More)
In order to establish the genetic variability of Aedes aegypti determined by the analysis of the MT-ND4 gene, in eleven endemic regions for dengue in Peru, 51 samples of Ae. Aegypti were tested. The genetic variability was determined through the amplification and sequencing of a fragment of 336 base-pairs of MT ND4, the analysis of intra-specific phylogeny(More)
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