PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31854825-7 2019 The total amounts of nitrogen removed by synchronous nitrification and denitrification were 29.89, 28.77, and 29.78 mg L-1. Nitrogen 21-29 L1 cell adhesion molecule Homo sapiens 119-122