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Gastroenterology has emerged from paediatrics as a separate discipline after 1978, due to the development of basic sciences, i.e., biochemistry, immunology, pathomorphology and introduction of miniaturized endoscopic and radiological equipment. This paper describes the most significant achievements in the areas of gastroenterology, hepatology, and nutrition in children in particular medical centres...
The distribution of heterochromatin in mitotic chromosomes was studied in five inbred lines of rye Secale vavilovii Grossh. (nos. 52, 109, 116, 121 and 225). An additional heterochromatin band was found on the long arm of one of the chromosomes of pair 2R, at an average distance of 2.08 µm from the centromere. After the plants with an additional band on 2R were reproduced, plants with two chromosomes...
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