AndersonS. A.: Pain control by sensory stimulation. Advances in pain research and therapy. Vol. 3, Raven Press, N.Y.1979.
2.
FrovaG., GeracP.: Studio in doppio cieco dell'acetisalicilato di lisina nel controllo del dolore post-operatorio di origine somatica. Minerva anestesiol., 47; 205–214 (1981).
3.
GoldsteinA.: Opioid peptides (endorphins) in pituitary and brain. Science, 193; 1081–1086 (1975).
4.
MelzackR., WallP.: Pain mechanisms: a new theory. Science, 183; 150–971 (1965).
5.
PoggialiC., PiazzaM.: Trattamento del dolore post-operatorio con farmaci non narcotici: valutazione dell'acetilsalicilato di lisina ad alto dosaggio. Minerva anestesiol., 47; 215–220 (1981).
6.
RosenbergM., CurtisL., BourkeD. L.: Transcutaneous electrical nerve stimulation for the relief of postoperative pain. Pain, 5; 129–133 (1978).
7.
SerratoJ. C.: Pain control by tens. South. med. J., 72; 67–71 (1979).
8.
SjölundB. H., ErikssonM. B. E.: Endorphins and analgesia produced by peripheral conditioning stimulation. Advances in pain research and therapy. Vol. 3, Raven Press., N.Y.1979.