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Diarrhea associated with rotaviruses, enterotoxigenic Escherichia coli, Campylobacter, and other agents in Costa Rican children, 1976-1981.
Rotaviruses, enterotoxigenic Escherichia coli, Salmonella, Shigella, and parasites were investigated in outpatient diarrheic children, and in hospitalized diarrheic and non-diarrheic children,Expand
Rotavirus and hepatitis A virus in market lettuce (Latuca sativa) in Costa Rica.
We assessed the presence of rotavirus and Hepatitis A virus in lettuce bought in farmer markets from San José, Costa Rica, during months of low (April-June) and high (December-January) incidence ofExpand
Efficacy of injectable doramectin against natural Boophilus microplus infestations in cattle.
Three experiments were conducted in Latin America--1 in Brazil, 1 in Venezuela, and 1 in Argentina--using a common protocol to investigate the efficacy of a single SC injection of doramectin (200Expand
The characteristics of Trichoderma harzianum as a limiting agent in edible mushrooms
The dramatic increase of green mould incidence and severity in edible mushroom production has been reflected in the emergence of highly aggressive forms of these pathogens, such as TrichodermaExpand
Prevalence of Campylobacter in chickens in a tropical environment.
The more prevalent species associated with diarrhea is the binomial C. jejuni-C. coli, zoonotic agents isolated from pets, cattle, hogs, other animals including birds, mainly chickens (3). TheExpand
Indigenous microflora of the West Indies fruit fly, Anastrepha obliqua (Diptera: Tephritidae).
Etudes bacteriologiques et ultrastructurales d'œufs recemment pondus de la mouche des fruits Anastrepha obliqua (Diptera; Tephritidae). Cultures bacteriennes a partir de l'intestin de cet insecte.Expand
Diagnosis of Helicobacter pylori: comparison of an urease test, histological visualization of curved bacteria and culture.
Helicobacter pylori was investigated in 189 patients for culture, microscopic visualization of campylobacter-like organisms (CLO) and a ten minute urease test. In 136 (72%) the bacteria was isolated,Expand
Microwave processing for scanning electron microscopy.
The normal processing of biological samples for Scanning Electron Microscopy, includes treatment with aldehyde (1 to 2 hours), postfixation with Osmium (1 hour), followed by dehydration in aExpand
Rotavirus and coronavirus outbreak: etiology of annual diarrhea in Costa Rican children.
In Costa Rica, an annual outbreak of infant diarrheal disease (December and January) was reported since 1976, and rotavirus was incriminated later as the main etiological agent (1976-1981).Expand