free hydroxyproline was measured in plasma of 67 normal subjects and in 70 patients with bone disease including primary hyperparathyroidism ( n = 19 ) , osteoporosis ( n = 18 ) , paget 's disease ( n = 14 ) , cancer involving bone ( n = 8 ) , chronic renal failure ( n = 6 ) , and osteomalacia ( n = 6 ) , and osteomalacia ( n = 5 ) .
C0029456
osteoporosis
C0262950
bone