TY  - RPRT
TI  - Atrial flutter: entrainment characteristics.
AU  - A L Waldo
PY  - 1997
DO  - 10.1111/j.1540-8167.1997.tb00798.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9083885/
ID  - 9083885
ER  -