PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1423860-0 1992 High expression of manganese superoxide dismutase in 7,12-dimethylbenz[a]anthracene-induced ovarian cancer and increased serum levels in the tumor-bearing rats. 7,12-dimethylbenz 53-70 superoxide dismutase 2 Rattus norvegicus 19-49