PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10609815-3 1999 We compared the efficacy, safety, and tolerability of long-term therapy with celecoxib, a COX-1 sparing inhibitor of COX-2, with diclofenac, a non-specific COX inhibitor. Celecoxib 77-86 mitochondrially encoded cytochrome c oxidase II Homo sapiens 117-122