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August 19, 1933


JAMA. 1933;101(8):617-618. doi:10.1001/jama.1933.02740330049023

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The Medicosurgical Society of Pavia  The Società medico-chirurgica of Pavia met recently under the chairmanship of Professor Ferrata.Bonezzi spoke on the variations in some strains of dysenteric bacilli studied with monocytogenic cultures. He proposed certain modifications in the technic of the preparation of such cultures. By the use of Peterfi's micromanipulator he studied a peculiar process of dissociation in certain dysenteric strains in which was produced spontaneously a variation of the fermentative potency on maltose. He found that under such circumstances the presence of the bacteriophage can be excluded, although monocytogenic colonies can be secured that may or may not exert a fermentative action on maltose.Bianchi and Cattaneo discussed vaccinotherapy by the intravenous route in undulant fever. The injection of a small quantity of vaccine produces an intense reaction only in persons affected with undulant fever, so that it will be found useful as an aid in diagnosis.

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