the activity of galactosylhydroxylysyl glucosyltransferase , an enzyme catalyzing collagen biosynthesis , was measured in the sera of 101 patients with various pulmonary diseases to study whether detectable enzyme amounts are liberated into the serum from the lung tissue , and whether this is associated with the development of lung fibrosis .
C0024115
pulmonary diseases
C0034069
of lung fibrosis