PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2166318-0 1990 [Magnet resonance spectroscopy of tumor-bearing rat livers: magnetite particles as an aid in volume selection]. Ferrosoferric Oxide 60-69 activation-induced cytidine deaminase Rattus norvegicus 86-89