1. Nonspecific factors in drug effects: Placebo personality;Buckalew;Psychological Reports,1981
2. The SCL-90-R: Administration, Scoring and Procedures Manual-I;Derogatis,1977
3. Which depressions respond to placebo?;Fairchild;Psychiatry Research,1986
4. Persuasion and Healing;Frank,1973
5. Placebo controls and double blind conditions: Part I. Placebo theory in experimental design;Gadow;Advances in Learning and Behavioral Disabilities,1986