TY  - RPRT
TI  - [Relations between the QRS electric axis and spatial vectorcardiogram].
AU  - F TUTINELLI
AU  - R BARLETTA
AU  - N B NARBONE
PY  - 1959
UR  - https://pubmed.ncbi.nlm.nih.gov/13840030/
ID  - 13840030
ER  -