TY - GEN AU - de Boer,W A TI - Gastric outlet obstruction and Helicobacter pylori SN - 0002-9270 PY - 1997///0326 KW - Gastric Outlet Obstruction KW - therapy KW - Helicobacter Infections KW - Helicobacter pylori KW - Humans N1 - Publication Type: Letter; Comment ER -