PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22137657-7 2012 injection of DHA (25 and 50mug/mouse) and GW9508 (a GPR40- and GPR120-selective agonist; 0.1 and 1.0mug/mouse) significantly reduced formalin-induced pain behavior. Docosahexaenoic Acids 13-16 free fatty acid receptor 4 Mus musculus 63-69