Villareal-Quiroz, Valeria, Carlos Felipe Bustillos Serna, Yeimy Liseth Celis Torres, and Lina Vanessa Becerra-Hernández. “Neurobiological Correlate of parkinson’s Premotor Symptoms: The Origin in Braak’s Theory”. Medicina UPB 43, no. 1 (January 22, 2024): 84–93. Accessed June 15, 2026. https://revistas.upb.edu.co/index.php/medicina/article/view/8069.