From Noise to Knowledge: Investigating Pre-processing Techniques for Accurate Diagnosis of Heart and Brain Diseases . International Journal of Sustainable Development Through AI, ML and IoT, [S. l.], v. 4, n. 1, 2025. Disponível em: https://ijsdai.com/index.php/IJSDAI/article/view/88.. Acesso em: 2 aug. 2025.