PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31842692-13 2021 Malondialdehyde + 4-hydroxyalkenals (MDA + 4-HDA) concentration (LPO index) was measured spectrophotometrically. BE 4-4-4-4 18-35 lactoperoxidase Homo sapiens 65-68