P. Zapatero Miguel, “Drugs in a brave new world of trips+ schemes: the case for legal ceilings on extra patent protection”, Cuad. derecho transnac., vol. 5, no. 1, pp. 229–238, Mar. 2013, Accessed: Sep. 06, 2026. [Online]. Available: https://e-revistas.uc3m.es/index.php/CDT/article/view/1720