TY - GEN AU - DE ARZUA ZULAICA,E AU - DE OTADUY LARREA,C TI - [Sign of gastric nicho] SN - 0014-2565 PY - 2004///0215 KW - Echinococcosis KW - Humans KW - Peptic Ulcer KW - diagnosis KW - Stomach Diseases N1 - Publication Type: Journal Article ER -