1. Quantification of the subjective pain experience;Beecher,1975
2. Phantom limbs and related phenomena;Carlen;Neurology (Minneap.),1978
3. The placebo response in pain reduction;Evans;Adv. Neurol.,1974
4. The phantom limb;Ewalt;Psychosom. Med.,1947
5. The influence of phantom limbs;Fenstein,1954