Rebentisch G, Berg W
J Clin Chem Clin Biochem. 1983 Nov;21(11):665-71.
Urolith analysis by X-ray diffraction is centralized and standardized in the GDR. By setting up uniform methodological conditions the quality of analytical results can be markedly improved. The resulting analytical criteria of usefulness - precision, detection limits and correctness - meet the requirements of diagnostic reliability and guarantee therapeutic relevance.