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JAMA. 1952;150(2):151. doi:10.1001/jama.1952.03680020085018.
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Development of Pathological Anatomy and Bacteriology.  —The 10th Scandinavian Pathological Congress was held in Bergen in June and was presided over by Professor Vogelsang, head of the serobacteriological department of Gade's Institute. In his opening address he traced the careers of the Norwegians who have done most to promote medical research in Norway. He gave praise to Armauer Hansen, whose discovery of the bacillus of leprosy was the result of many years' indefatigable work. His contemporaries were convinced that Hansen's disease (leprosy) was a hereditary disease, and Hansen was daring when he suggested that such a chronic disease as leprosy could be of microbial origin. He discovered the bacillus of leprosy in 1873 and that of the bacillus of tuberculosis in 1882. It may not be generally known that Hansen's enthusiasm as an experimental investigator led, at least on one occasion, into serious trouble. He had tried unsuccessfully to inoculate


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