TY  - RPRT
TI  - Thump pacing and thump version.
AU  - K A Zürcher
PY  - 1972
DO  - 10.1016/s0140-6736(72)90706-4
UR  - https://pubmed.ncbi.nlm.nih.gov/4108999/
ID  - 4108999
ER  -