TY  - RPRT
TI  - LETTER TO THE EDITOR. DIRECT-CURRENT COUNTERSHOCK.
AU  - W H WILLIS
PY  - 1964
DO  - 10.1016/0002-8703(64)90111-5
UR  - https://pubmed.ncbi.nlm.nih.gov/14138825/
ID  - 14138825
ER  -