1. The powerful placebo;Beecher;J Am Med Assoc,1955
2. Medicinal treatment of the common cold;Diehl;J Am Med Assoc,1953
3. The comparative value of drugs used in the continuous treatment of angina pectoris;Evans;Quart J Med,1933
4. Clinical tests on comparative effectiveness of analgesic drugs;Jellinek;Biometrics,1946
5. The prevention and treatment of motion sickness;Gay;Bull Johns Hopkins Hosp,1949