TY  - RPRT
TI  - Pacemaker update 1984. Part IV. DDD pacemaker--electrocardiographic assessment and problem solving.
AU  - M M Parker
AU  - L Lemberg
PY  - 1984
UR  - https://pubmed.ncbi.nlm.nih.gov/6567643/
ID  - 6567643
ER  -