Spinal manipulation and beta-endorphin: a controlled study of the effect of a spinal manipulation of plasma beta-endorphin levels in normal males.
D002684:Chiropractic; D004723:Endorphins / Q000097:blood*; D006801:Humans; D008297:Male; D001615:beta-Endorphin
D004723:Endorphins; D001615:beta-Endorphin