TY - STAND AU - L. Rodriguez AU - H. Jick BT - Lancet M1 - 8900 PY - 1994 SP - 769 EP - 72 T2 - Lancet TI - Risk of upper gastrointestinal bleeding and perforation associated with individual non-steroidal anti-inflammatory drugs VL - 343 SN - 0140-6736 (Print) 0140-6736 ER -