title: Alpha-1-acid glycoprotein and beta-endorphin alterations in chronic pain patients.
mesh_terms: D000328:Adult; D000368:Aged; D000700:Analgesics / Q000378:metabolism*; D001682:Biological Availability; D002908:Chronic Disease; D004723:Endorphins / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009961:Orosomucoid / Q000378:metabolism*; D010146:Pain / Q000097:blood* / Q000188:drug therapy; D001615:beta-Endorphin
chemical_list: D000700:Analgesics; D004723:Endorphins; D009961:Orosomucoid; D001615:beta-Endorphin