Natural painkillers.
Blalock
J E
JE
D000700:Analgesics; D000818:Animals; D004723:Endorphins / Q000378:metabolism*; D007111:Immunity, Cellular; D011333:Pro-Opiomelanocortin / Q000235:genetics / Q000378:metabolism*; D012333:RNA, Messenger / Q000032:analysis; D051381:Rats
D000700:Analgesics; D004723:Endorphins; D012333:RNA, Messenger; D011333:Pro-Opiomelanocortin