Microcontrollers Performance in Portable Electronic Stethoscope Design with a Disease Symptoms Detection Feature. International Journal of Advanced Health Science and Technology, [S. l.], v. 3, n. 5, p. 61–67, 2021. DOI: 10.35882/ijahst.v3i5.12. Disponível em: https://ijahst.org/index.php/ijahst/article/view/12. Acesso em: 10 oct. 2025.