PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33270921-1 2021 Denitrifying woodchip bioreactors (DWBs) are potential low-cost technologies for the removal of nitrate (NO3 - ) in water through denitrification. Water 116-121 NBL1, DAN family BMP antagonist Homo sapiens 105-108