TY  - RPRT
TI  - [High spontaneous variability of ventricular arrhythmias limits the evidence gained by long-term ECG studies].
AU  - O Bertel
AU  - S Braun
AU  - P Schmid
AU  - F Burkart
PY  - 1979
UR  - https://pubmed.ncbi.nlm.nih.gov/93782/
ID  - 93782
ER  -