TY  - RPRT
TI  - Clarifying standards for using placebos.
AU  - Robert J Levine
AU  - William T Carpenter
AU  - Paul S Appelbaum
PY  - 2003
DO  - 10.1126/science.300.5626.1659
UR  - https://pubmed.ncbi.nlm.nih.gov/12805520/
ID  - 12805520
ER  -