Risk of upper gastrointestinal ulcer bleeding associated with selective cyclo-oxygenase-2 inhibitors, traditional non-aspirin non-steroidal anti-inflammatory drugs, aspirin and combinations

1. Lanas, A. ¹¹
2. García-Rodríguez, L.A. ²
3. Arroyo, M.T. ¹
4. Gomollón, F. ³
5. Feu, F. ⁴
6. González-Pérez, A. ²
7. Zapata, E. ⁵
8. Bástida, G. ⁶
9. Rodrigo, L. ⁷
10. Santolaria, S. ⁸
11. Güell, M. ⁹
12. De Argila, C.M. ¹⁰
13. Quintero, E. ¹¹
14. Borda, F. ¹²
15. Piqué, J.M. ⁴