TY  - RPRT
TI  - Classical conditioning and the placebo effect.
AU  - G H Montgomery
AU  - I Kirsch
PY  - 1997
DO  - 10.1016/s0304-3959(97)00016-x
UR  - https://pubmed.ncbi.nlm.nih.gov/9272794/
ID  - 9272794
ER  -