TY  - RPRT
TI  - Heart block and cyclopropane.
AU  - K A COWAN
PY  - 1954
DO  - 10.1111/j.1365-2044.1954.tb01535.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13148569/
ID  - 13148569
ER  -