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Mostrando ítems 31-34 de 34
Cáncer en Costa Rica: Epidemiología descriptiva: Mortalidad 1970-1990, incidencia 1984-1990
(1995)
El propósito de esta monografía es describir el problema del cáncer en el país, la incidencia en el periodo 1984-1990 y la mortalidad de 1970 a 1990. Se muestra la distribución geográfica del cáncer por localización ...
Distribution of Open Reading Frames of Plasticity Region of Strain J99 in Helicobacter pylori Strains Isolated from Gastric Carcinoma and Gastritis Patients in Costa Rica
(2000)
The plasticity region of Helicobacter pylori strain J99 is a large chromosomal segment containing 33 strain-specific open reading frames (ORFs) with characteristics of a pathogenicity island. To study the diversity of the ...
Antibodies to Helicobacter pylori and pepsinogen levels in children from Costa Rica: comparison of two areas with different risks for stomach cáncer
(1992-09)
In children and adolescents from two areas of Costa Rica with contrasting gastric cancer risks, two factors suspected to be linked to the natural history of the disease were tested: serum antibodies to Helicobacter pylori ...
Composition and Gene Expression of the cag Pathogenicity Island in Helicobacter pylori Strains Isolated from Gastric Carcinoma and Gastritis Patients in Costa Rica
(Infection Immunity 69 (3) 1902-1908, 2001-03)
The composition and in vitro expression of the cag pathogenicity island genes in a group of Helicobacter pylori strains obtained from patients suffering from chronic gastritis-associated dyspepsia (n = 26) or gastric ...