the presence of collagen-producing cells and its relation to disease activity were determined in cryostat liver tissue sections from subjects with active cirrhosis ( n = 15 ) , inactive cirrhosis ( n = 5 ) , chronic persistent hepatitis ( n = 8 ) , or normal histology ( n = 3 ) by means of an immunofluorescence technique using a monoclonal antibody to the carboxy-terminal domain of procollagen type i ( anti-pc ) .
C0009325
collagen
C0033235
procollagen