Mechanism-Based Understanding of Chronic Pain in Internal Medicine: From Sensitization Pathways to Clinical Phenotypes (Cristóbal Washington Franco Lucas, Dr David Prieto Barron, Ricardo Enrique Calle Mourin, Andrea Carolina Tejera Alvarado, Zuleika Morales, Wilmer Rene Cujilema Guillin, Mayra Silvana Bejarano Morocho, & Jorge Angel Velasco Espinal, Trans.). (2026). International Science Journal , 3(1). https://doi.org/10.64784/126