title: Met-enkephalin levels and opiate receptors in the spinal cord of chronic suffering rats.
mesh_terms: D000818:Animals; D001169:Arthritis, Experimental / Q000378:metabolism; D004723:Endorphins / Q000378:metabolism*; D004745:Enkephalins / Q000378:metabolism*; D009270:Naloxone / Q000378:metabolism; D010148:Intractable Pain / Q000378:metabolism*; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*; D013116:Spinal Cord / Q000378:metabolism*
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011957:Receptors, Opioid; D009270:Naloxone