Virendra C. PATIL. Lead -aVR of Electrocardiogram (ECG): An Orphan Lead. Issues and Developments in Medicine and Medical Research Vol. 4, [S. l.], p. 36–43, 2022. DOI: 10.9734/bpi/idmmr/v4/3191E. Disponível em: https://stm.bookpi.org/IDMMR-V4/article/view/5543. Acesso em: 4 jun. 2026.