In electron microscopic observation of a liver biopsy obtained from a hepatitis B surface antigen-positive patient, noncoated core particles were occasionally seen budding into the hepatocytic cisterni and many Dane particles were found in the pericanalicular vesicles of hepatocytes. Noncoated core particles were also localized in clusters within the bleb of microvilli. There were some core par...

Although the subject on which I am to address you this evening is one of recent growth, a proper understanding of its various aspects is of prime importance not only to the pathologist but to the general practitioner in this country. In fact, I hope to demonstrate clearly in the course of this lecture that vitaminic deficiency in its broad sense is a potent?if not the most potent ?factor in the...

THIS is the second report of the Virus Reference Laboratory established in the Department of Microbiology of the Queen's University of Belfast by the Northern Ireland Hospitals Authority. The first report covering the period 1955 to 1957 appeared in an earlier number of this Journal (Murray, Dane & Dick, 1958). POLIOMYELITIS, ASEPTIC MENINGITIS, AND ENCEPHALITI S. Poliomyelitis. As in previous ...

We used a multi-method approach to analyze the spatial patterns of shrubs and cover types (plant species, litter or bare soil) in grassland-shrubland ecotones. This approach allows us to assess how fine-scale spatial heterogeneity of cover types affects the patterns of Cytisus balansae shrub encroachment into mesic mountain grasslands (Catalan Pyrenees, Spain). Spatial patterns and the spatial ...

Desde el inicio de la pandemia en Colombia, diferentes sectores económicos se vieron paralizados por las restricciones del gobierno nacional teniendo efectos negativos para economía general. Con base los datos entregados Departamento Administrativo Nacional Estadística (DANE), Producto Interno Bruto (PIB) año 2020 fue -6,8%, reflejando afectación económica crisis. A partir esto, objetivo presen...