PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9667074-3 1998 A good positive correlation between either serum or gastric mucosal nitrite/nitrate concentration and gastric mucosal iNOS activity in all rats used (r = 0.741 or 0.842, respectively, p < 0.001) was found. Nitrates 76-83 nitric oxide synthase 2 Rattus norvegicus 118-122