Peak B endorphin concentration in cerebrospinal fluid: reduced in chronic pain patients and increased during the placebo response

THE POWERFUL PLACEBO

Henry K. Beecher · Journal of the American Medical Association · 1955 · 1.8K citations

Medicine, Pharmacology, Clinical Pharmacology +8

THE MECHANISM OF PLACEBO ANALGESIA

JonD. Levine, NewtonC. Gordon, H. L. Fields · The Lancet · 1978 · 1.1K citations

Medicine, Pharmacology, Pain Medicine +3

Increased Cerebrospinal Fluid Levels of Endorphins after Electro‐Acupuncture

Bengt H. Sjölund, Lars Terenius, Mats Eriksson · Acta Physiologica Scandinavica · 1977 · 467 citations

Medicine, Neurobiology, Neuroscience +4

A study of the placebo response

Louis Lasagna, Frederick Mosteller, John M. von Felsinger et al. · The American Journal of Medicine · 1954 · 431 citations

Social Sciences, Psychology, Biological Psychology +4

Naloxone dose dependently produces analgesia and hyperalgesia in postoperative pain

Jon D. Levine, Newton C. Gordon, Howard L. Fields · Nature · 1979 · 308 citations

Medicine, Anesthesiology, Pharmacology +14