TY  - RPRT
TI  - Problems inherent in assessing biofeedback efficacy studies.
AU  - Carolyn B Yucha
PY  - 2002
DO  - 10.1023/a:1014528622061
UR  - https://pubmed.ncbi.nlm.nih.gov/12001886/
ID  - 12001886
ER  -