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The major cultivated potato, Solanum tuberosum, and six other related cultivated species, are hypothesized to have arisen from a group of weedy relatives indigenous to the central Andes of central Peru, Bolivia, and northern Argentina. A major problem hindering investigations of the origins of the cultivated species has been a continuing debate over the(More)
We report one case of mesenteric malignant fibrous histiocytoma, demonstrated by pain, abdominal mass and hypoglycaemic faintness. Ultrasound showed an heterogeneous mass, with liquid areas surrounded with echogenic trabeculations. A percutaneous aspiration under ultrasound guidance of the liquid collections demonstrated sero-sanguineous material. A(More)