PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8406134-1 1993 Fourteen patients undergoing kidney transplantation were studied for evidence of the production of free radicals as assessed by the measurement of vitamin E (an index of lipid peroxidation) and of myeloperoxidase (a marker of neutrophil activation) in the systemic blood. Free Radicals 99-112 myeloperoxidase Homo sapiens 197-212