On the basis of routine clinical and laboratory investigations, one or more probable or
possible causes of stone formation were established in 27% of upper urinary tract and 98 …

During a 5 year period, 500 stones from the upper urinary tract and 100 from the urinary
bladder of as many unselected and consecutive patients were obtained in one hospital and …

Summary 10 urinary calculi have been qualitatively and quantitatively analysed using X-ray
diffraction, infra-red, scanning electron microscopy, X-ray fluorescence, atomic absorption …

Quantitative analytical findings on upper urinary tract stones from 500 patients are reported
and compared to data in the literature. Methods of presentation of quantitative data are …

From the analysis of various urinary constituents and the estimation of urinary saturation of
stone-forming salts, it is now possible to identify risk factors responsible for or contributing to …

175 stones from 70 recurrent stone formers with each at least two stones available for
analysis were studied crystallographically. The chance that a subsequent stone belonged to …

The causation of calculus disease may be considered from. two different points of view: 1) a
yariety of contributing factors (eg, infection, hypercalciuria, stasis) which act in concert to …

Stone analyses (kidney, upper urinary tract) of the department of Urology, University of
Erlangen, from a four-year-period (1974–1977) have been recorded with emphasis to stone …

The chemical composition of urinary stones was at one time considered a matter of
academic interest. However the clinical importance of knowing the type of stone formed in a …

A knowledge of the composition of urinary stone is important because urolithiasis is a
recurrent disease in many people and preventive measures must be based on such …