TY  - RPRT
TI  - PR interval behavior during exercise: implications for physiological pacemakers.
AU  - R M Luceri
AU  - S L Brownstein
AU  - L Vardeman
AU  - S Goldstein
PY  - 1990
DO  - 10.1111/j.1540-8159.1990.tb06878.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1704529/
ID  - 1704529
ER  -