TY  - RPRT
TI  - Parasystole with fixed coupling.
AU  - R Langendorf
AU  - A Pick
PY  - 1967
DO  - 10.1161/01.cir.35.2.304
UR  - https://pubmed.ncbi.nlm.nih.gov/6022800/
ID  - 6022800
ER  -