TY  - RPRT
TI  - Principles governing 2:1 AV block with interference dissociation.
AU  - L Schamroth
PY  - 1969
DO  - 10.1136/hrt.31.6.780
UR  - https://pubmed.ncbi.nlm.nih.gov/5358162/
ID  - 5358162
ER  -