TY  - RPRT
TI  - [Ectopic origin of P with normal axis (ranging between O degrees E + 30 degrees). Vectorcardiographic study].
AU  - A Nava
AU  - E Piccolo
AU  - P Stritoni
AU  - F Maddalena
AU  - R Chioin
PY  - 1972
UR  - https://pubmed.ncbi.nlm.nih.gov/5012021/
ID  - 5012021
ER  -