Martínez Martínez A, López Arriola CJ, Jiménez Alaniz JR. Microcontroller for a volumetric respirator. Rev Mex Ing Biomed [Internet]. 1988 Oct. 15 [cited 2025 Jan. 11];9(1):8. Available from: http://mail.rmib.mx/index.php/rmib/article/view/653