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1 From the Surgical Service and the Laboratory for Experimental Surgery University of Louisville, School of Medicine, Louisville, Kentucky
1. The time for the production of cholecystographic shadows, and for their attainment of maximum density, can apparently be shortened approximately one-half by the administration of 1 gram of tolysin by mouth prior to the intravenous administration of the usual dose of sodium tetra-iodo-phenolphthalein.
2. The expectation from its choleretic action, that tolysin would increase the speed of excretion of the halogenated phenolphthaleins by the liver, is thus far confirmed.
Submitted on October 22, 1926