Aramayo, L.A.; de Silva, D.G.H.; Hughes, C.A.; Brown, G.A.; McNeish, A.S.
(British Medical Association, 1983)
Jejunal fluid and mucosal tissue were obtained simultaneously from the same jejunal site in a group of 29 children by a modified biopsy procedure. Lactase, maltase, and sucrase activities were measured in both fluid and ...