PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19188380-1 2009 CTX-M-1-producing Escherichia coli were isolated from 56 pigs, three farm personnel, two manure samples, and two air samples from two Danish pig farms where an association between prophylactic ceftiofur use and the occurrence of cephalosporin resistance was previously demonstrated. ceftiofur 193-202 CTX-M-1 Escherichia coli 0-7 17376790-0 2007 Occurrence of CTX-M-1-producing Escherichia coli in pigs treated with ceftiofur. ceftiofur 70-79 CTX-M-1 Escherichia coli 14-21