TY - BOOK AU - Wormsley,K.G. TI - Duodenal ulcer T2 - Annual research reviews SN - 0904406539 AV - RC824 .W67 1979 PY - 1979///?] CY - Montreal PB - Eden Press KW - Duodenum KW - Ulcers N1 - Bibliography: p. 70-97; Includes index ER -