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The production of an antibiotic by free and immobilized cells of Streptomyces violatus through entrapment or adsorption on different materials was investigated. S. violatus entrapped in Ca-alginate beads gave low antibiotic activity compared to the free cell or adsorbed cell, while the adsorption of S. violatus on sponge cubes yielded the highest antibiotic(More)
1 Les manifestations orthopédiques de la neurofibromatose de type 1 ou maladie de Recklinghausen (VRH) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Les manifestations orthopédiques de la maladie de VRH sont fréquentes, et ce quels que soient l'âge du malade et la nature des(More)
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