we studied intestinal mucosal disaccharidase ( lactase , sucrase , and maltase ) specific activity in suckling ( 1 and 2 wk old ) , weanling ( 3 wk old ) , and postweaning ( 4 and 6 wk old ) control and growth-retarded ( malnourished ) rats .
C0012610
disaccharidase
C0038634
sucrase