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July 11, 1908

Les Pseudo-Bacilles Acido-Résistants. Critique des méthodes de coloration du bacille tuberculeux. Révision du groupe des bacilles dits acido-résistants. Par le Dr. André Philibert. Travail du Laboratoire de bactériologie de la Faculté de médecine de Paris.

JAMA. 1908;LI(2):148. doi:10.1001/jama.1908.02540020060023

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This is a monograph from the laboratory of bacteriology of the University of Paris, containing a thorough consideration of the causes and significance of the acid-resisting property of Bacillus tuberculosis and a few other organisms. Some of the conclusions reached are of great importance for practical diagnosis, and they are probably warranted. Among them are these: True acid-resisting bacteria consist of two groups, the B. tuberculosis in all its varieties, and the "tuberculoid" bacteria of milk, grains, grass, etc. There also is a third group of acid-resisting bacteria which have been found in urine, smegma, sputum, sebaceous material, fibrinous exudates, and in cadavers, in which this staining property is an acquired character, perhaps due to the character of the soil in which the organisms have been grown. It is of course important that these organisms be distinguished from the true tubercle bacilli, and this is not difficult because, though acid-resistant,

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