PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17916973-4 2007 Activity of HMG CoA reductase and concentration of cholesterol were increased in the testes of the nicotine administered group. Nicotine 99-107 3-hydroxy-3-methylglutaryl-CoA reductase Rattus norvegicus 12-29