TY - STAND AU - L. Rodriguez AU - A. Ruigomez BT - Epidemiology M1 - 3 PY - 1999 SP - 228 EP - 32 T2 - Epidemiology TI - Secondary prevention of upper gastrointestinal bleeding associated with maintenance acid-suppressing treatment in patients with peptic ulcer bleed VL - 10 SN - 1044-3983 (Print) 1044-3983 ER -