TY  - RPRT
TI  - Variable PR intervals: what is the rhythm?
AU  - F Morady
PY  - 1996
DO  - 10.1111/j.1540-8167.1996.tb00503.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8985813/
ID  - 8985813
ER  -