Siliceous Urinary Calculi

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Urinary calculi.

IJANTITATIVE CHEMICAL ANALYSES of urinary calculi have been done in these laboratories for some twenty years. During this time almost two thousand stones have been examined. In the early days of this period, the only quantitative method available was that of a complete analysis of the inorganic ions and organic compounds present, which was quite difficult and tedious. After the development of t...

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Urinary Calculi in Germfree Rats

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Urinary calculi in Limbang District.

THE causes and mechanisms of urolithiasis are even nowadays not well understood. An increased concentration of crystalloids in urine as happens, for· example, in dehydration is one of the factors frequently cited. Randall (1937) drew attention to the importance of urinary tract infections as an initiating factor, and proposed that some stones started off as a plaque-like precipitate on the muco...

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ژورنال

عنوان ژورنال: The Boston Medical and Surgical Journal

سال: 1861

ISSN: 0096-6762,1533-4406

DOI: 10.1056/nejm186106200642001