TY - GEN AU - Calabuig Sánchez,M AU - Ramos Espada,J M TI - [Practice guidelines in gastroenterology (VIII). Upper gastrointestinal hemorrhage and lower gastrointestinal hemorrhage. Spanish Society of Gastroenterology, Hepatology and Pediatric Nutrition] SN - 0302-4342 PY - 2003///0206 KW - Algorithms KW - Child KW - Gastroenterology KW - standards KW - Gastrointestinal Hemorrhage KW - diagnosis KW - Humans N1 - Publication Type: Guideline; Journal Article; Practice Guideline ER -