PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1519208-4 1992 Plasma prothrombin fragment F1 + 2 concentration, a marker of the in vivo rate of generation of thrombin, was 25 (12 to 37)% lower on average while on gemfibrozil than during the placebo phase. Gemfibrozil 151-162 coagulation factor II, thrombin Homo sapiens 10-18