Now showing items 1-5 of 5
Medium-term protocols for in vivo evaluation of chemical modifiers of carcinogenesis
(Memórias do Instituto Oswaldo Cruz, 1991-01-01) [Artigo]
Cancer development is a long-term multistep process which allows interventional measure before the clincial disease emerges. the detection of natural substances which can block the process of carcinogenesis is a important ...
REVERSIBILITY OF ADENOMATOUS HYPERPLASIA IN THE GASTRIC STUMP AFTER DIVERSION OF BILE REFLUX IN RATS
(Carcinogenesis, 1991-08-01) [Artigo]
Morphological and phenotypical patterns of proliferative epithelial lesions induced in the gastric stump mucosa by duodenal content reflux after Billroth II partial gastrectomy (BII) were evaluated in rats. Control animals ...
The use of a mixture of somatic and culture filtrate antigens in the evaluation of the immune response to Paracoccidioides brasiliensis
(Journal of Medical and Veterinary Mycology, 1991-10-11) [Artigo]
Three Paracoccidioides brasiliensis antigens, namely a culture filtrate preparation, a somatic antigen and a mixture of equal parts of the two, were tested by two serological techniques against sera from patients with ...
Liver response to low-hexachlorobenzene exposure in protein- or energy-restricted rats
(Food and Chemical Toxicology, 1991-12-01) [Artigo]
The individual effects of protein deficiency and energy restriction on liver response to low-hexachlorobenzene (HCB) exposure were investigated in adult male Wistar rats. In rats fed either the low-protein or control diet, ...
Sputum cytology in the diagnosis of pulmonary paracoccidioidomycosis
(Mycopathologia, 1991-06-01) [Artigo]
The presence of Paracoccidioides brasiliensis was determined in sputum samples from 50 patients with paracoccidioidomycosis using four different techniques: (a) cell-block preparations stained with silver methenamine, (b) ...