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Measurement of urinary and serous-fluid glycosaminoglycans and urinary hydroxyproline.

Although analytic measurements of connective tissue components in biological fluids would frequently be useful in diagnosis and/or management of many inflammatory, neoplastic and metabolic diseases, such information is often unavailable due to the methodologic problems posed by these natural products. This report outlines relatively simple procedures leading to the colorimetric measurement of glycosaminoglycans in urine and other body fluids and to measurement of hydroxyproline in urine. Normal values and potential applications are presented.