Intestinal lactase, sucrase, and alkaline phosphatase in 373 patients with coeliac disease. - O'Grady,J.G.; Stevens,F.M.; Keane,R.; Cryan,E.M.; Egan-Mitchell,B.; McNicholl,B.; McCarthy,C.F.; Fottrell,P.F. (J Clin Pathol, 1984)