TY  - RPRT
TI  - Contrast effect on subjective experience in drug experiments.
AU  - C A Haertzen
PY  - 1969
DO  - 10.2466/pr0.1969.24.1.69
UR  - https://pubmed.ncbi.nlm.nih.gov/4892575/
ID  - 4892575
ER  -