TY  - RPRT
TI  - P wave tracking above the maximum tracking rate in a DDDR pacemaker.
AU  - S T Higano
AU  - D L Hayes
PY  - 1989
DO  - 10.1111/j.1540-8159.1989.tb01924.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2476739/
ID  - 2476739
ER  -