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The nitrogen fixing trees of the Prosopis juliflora/P. pallida complex are among the most adaptable and fastest growing trees in the truly tropical arid regions and have become naturalized in semi-arid tropics in Latin America, the Caribbean, Hawaii, Sahelian Africa, the Indian subcontinent and northern Australia. The trees have been regarded both as a(More)
The problems of delimitation of species of Prosopis originate from the few morphological discontinuities which exist among some of them; some, however, originated as a result of wide distribution of germplasm without proper knowledge of the species, in particular, much material catalogued as P. juliflora, but being of other species, was distributed for(More)
In the present paper, the serologic markers of Hepatitis B virus were studied in 123 people belonging to the Hospital Central de la Fuerza Aérea del Perú that had been working in areas of high risk to get contact with this virus. The determination was done with the enzyme immunoassay (EIA Abbot) and the results were the following: In 15 individuals (12.1%),(More)
In the present paper, the serologic markers of Hepatitis B virus were studied in 123 people belonging to the Hospital Central de la Fuerza Aérea del Perú that had been working in areas of high risk to get contact with this virus. The determination was done with the enzimo inmuno assay (EIA Abbot) and the results were the following: In 15 individuals(More)
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