TY  - RPRT
TI  - Influence of adaptation period length on the ability of humans to increase and decrease heart rate with instructions and biofeedback.
AU  - D S Holmes
AU  - R O Frost
AU  - D H Bennett
PY  - 1977
DO  - 10.1016/s0091-6773(77)90838-0
UR  - https://pubmed.ncbi.nlm.nih.gov/901358/
ID  - 901358
ER  -