PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8237606-7 1993 Addition of normal splenic macrophages to in vitro cultures restored immune responses, as did IL-1, IL-6 and IFN-gamma, suggesting that morphine-induced immunosuppression is due to a deficit in macrophage function. Morphine 136-144 interleukin 1 complex Mus musculus 94-98