ELECTROCARDIOGRAM (ECG) EQUIPMENT CALIBRATION TEST LABORATORY OF NURSES STIKES AL INSYIRAH NEW PEKANBARU. Al Insyirah International Scientific Conference on Health, [S. l.], v. 3, n. 1, p. 80–91, 2023. Disponível em: https://jurnal.ikta.ac.id/aisch/article/view/2385. Acesso em: 4 jun. 2026.