Conceptual, methodological, and ethical problems of placebo groups in psychotherapy research.

1978 ◽  
Vol 33 (9) ◽  
pp. 821-830 ◽  
Author(s):  
K. Daniel O'Leary ◽  
Thomas D. Borkovec
1987 ◽  
Vol 42 (12) ◽  
pp. 1132-1133
Author(s):  
Stanley D. Imber ◽  
Lawrence M. Glanz ◽  
Irene Elkin ◽  
Stuart M. Sotsky ◽  
Jenny L. Boyer ◽  
...  

1995 ◽  
Vol 40 (11) ◽  
pp. 1072-1073
Author(s):  
Michael J. Lambert ◽  
R. Scott Nebeker

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