Urate urolithiasis, an important complication of PSS, occurs because of increased urinary excretion of ammonia and uric acid. (svsvet.com)
Modification of glucocorticoid - induced changes in myofibrillar protein turnover in rats by protein and energy deficiency as assessed by urinary excretion of Ntau - methylhistidine (cambridge.org)
Studies suggest that selenium binds to mercury, potentially reducing the biological availability of mercury, while n - acetyl - l - cysteine (NAC) promotes urinary excretion of methylmercury. (drvitaminsolutions.com)