Intestinal lactase, sucrase and alkaline phosphatase in relation to age, sex and site of intestinal biopsy in 477 irish subjects
Keane, R; O'Grady, J G; Sheil, J; Stevens, F M; Egan-Mitchell, B; McNicholl, B; McCarthy, C F; Fottrell, P F (BMJ, 1983-01-01)