PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16969382-8 2007 A hydroethidine study demonstrated that superoxide anion production after SAH was reduced in the cerebral cortex of the SOD1 Tg rats. Superoxides 40-56 superoxide dismutase 1 Rattus norvegicus 120-124