PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28974053-5 2017 Co-precipitation of As(V) occurs on freshly formed iron hydroxide, which is removed by Manganese Greensand Plus filtration. Ferrous hydroxide 51-65 SRC proto-oncogene, non-receptor tyrosine kinase Homo sapiens 20-25