1. Urinary Hydroxyproline as an Index of Collagen Turnover in Bone
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4. Urinary Hydroxyproline in Hyperparathyroidism: A Study of Three Cases With and Without Bone Lesions;Klein L.;Metabolism,1962
5. Investigations of the Amino Acid Composition of a Macroglobulin and a Cryoglobulin;Mandema E.;J. Lab. clin. Med.,1955