to assess the role of , and age-associated alterations in , intraluminal igg in the intestine , total igg and subclass distribution in small intestinal perfusates and pilocarpine-stimulated intestinal secretions were measured under non-fasting conditions in three groups of balb/c mice : 2-3 , 12-14 , and over 24 months old .
C0021853
intestine
C0021852
small intestinal