1. Beecher, H. K., American Journal of Physiology 187: 163 (1956).
2. BEECHER, H.K., THE EFFECTIVENESS OF ORAL ANALGESICS (MORPHINE, CODEINE, ACETYLSALICYLIC ACID) AND THE PROBLEM OF PLACEBO REACTORS AND NON-REACTORS, JOURNAL OF PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS 109: 393 (1953).
3. The Measurement of Subjective Responses 1959
4. Beecher, H. K., United States Armed Forces Medical Journal 2: 1269 (1951).
5. COMMUNICATION 1959