@misc{10395, author = {L. Rodriguez and C. Cattaruzzi and M. Troncon and L. Agostinis}, title = {Risk of hospitalization for upper gastrointestinal tract bleeding associated with ketorolac, other nonsteroidal anti-inflammatory drugs, calcium antagonists, and other antihypertensive drugs}, year = {1998}, journal = {Arch Intern Med}, volume = {158}, number = {1}, pages = {33-9}, issn = {0003-9926 (Print) 0003-9926}, }