PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12107032-11 2002 Metronidazole inhibited only colonic mucosal high K(M) ALDH and increased intracolonic, but not blood, acetaldehyde levels. Metronidazole 0-13 aldehyde dehydrogenase 3 family, member A1 Rattus norvegicus 55-59