PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6132624-4 1983 In addition the administration of L-DOPA and morphine facilitated the effect of MIF while preliminary administration of MIF blocked the effect of morphine given in threshold doses. Levodopa 34-40 macrophage migration inhibitory factor Rattus norvegicus 80-83