DEO, Santosh Kumar; AGRAWAL, Kopila; BHATTARAI, Prem. Heart Rate Variability as a Marker of Changes in Mood State in Daily Life by Photoplethysmography Technique. Nepalese Medical Journal, [S. l.], v. 1, n. 2, p. 100–103, 2018. DOI: 10.3126/nmj.v1i2.21601. Disponível em: https://nepjol.info/index.php/nmj/article/view/21601. Acesso em: 9 mar. 2025.