Contains errata sheet in back pocket. / Bibliography: leaves 167-211. / xviii, 211, [8] leaves, [4] leaves of plates : ill. (some col.) ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Explores the hypothesis that growth of the small intestine at weaning is promoted by an activated mucosal immune system in the gut. Tests by observing rats, guinea pigs and human infants. / Thesis (Ph.D.)--University of Adelaide, Dept. of Medicine, 1995?