PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
28259933-10	2017	Furthermore, the combination of alfentanil and propofol treatments may produce synergistically antinociceptive effects by inhibiting the phosphorylation of ERK1/2 and decreasing the expression of c-fos in the spinal cord.	Alfentanil	32-42	Fos proto-oncogene, AP-1 transcription factor subunit	Rattus norvegicus	196-201