TY  - RPRT
TI  - A double-blind methodology for biofeedback research.
AU  - H D Cohen
AU  - C Graham
AU  - S S Fotopoulos
AU  - M R Cook
PY  - 1977
DO  - 10.1111/j.1469-8986.1977.tb01209.x
UR  - https://pubmed.ncbi.nlm.nih.gov/928613/
ID  - 928613
ER  -