PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7457495-5 1980 Serum levels of metronidazole several times in excess of the minimal inhibitory concentrations for the organisms were easily achieved and in one patient the CSF metronidazole level was equal to that of the serum. Metronidazole 161-174 colony stimulating factor 2 Homo sapiens 157-160