TY  - RPRT
TI  - Guidelines for running a 12-lead E.K.G.
AU  - S M Sumner
AU  - P A Grau
PY  - 1985
DO  - 10.1097/00152193-198512000-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/3852132/
ID  - 3852132
ER  -