Implementation of a Microcontroller Arduino for Portable Peak Expiratory Flow Rate to Examine the Lung Health. International Journal of Advanced Health Science and Technology, [S. l.], v. 2, n. 2, p. 54–59, 2022. DOI: 10.35882/ijahst.v2i2.1. Disponível em: https://ijahst.org/index.php/ijahst/article/view/29. Acesso em: 23 jul. 2025.