Cebrián Villar, Mar. 2011. “Patents As a Strategic Weapon to Limit Competition: The U.S. Pharmaceutical Industry in the Mid-Nineteenth Century”. ArtefaCToS. Revista De Estudios Sobre La Ciencia Y La tecnología 4 (December):37-52. https://revistas.usal.es/cinco/index.php/artefactos/article/view/8534.