PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 5868768-0 1965 [Chromatographic purification of aqueous solutions of vitamin B12 on aluminum oxide]. Aluminum Oxide 69-83 NADH:ubiquinone oxidoreductase subunit B3 Homo sapiens 62-65 14509706-0 2003 Adsorption of vitamin B12 to alumina, kaolinite, sand and sandy soil. Aluminum Oxide 29-36 NADH:ubiquinone oxidoreductase subunit B3 Homo sapiens 22-25