PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28464042-4 2017 Patients in each of the two study groups were randomized to receive 90 mg qd of the cyclooxygenase-2 inhibitor etoricoxib for six months, two weeks or to a control arm, respectively. Etoricoxib 111-121 prostaglandin-endoperoxide synthase 2 Homo sapiens 84-100