Franco, María Liliana, Natalia Acosta, and Lilian Chuaire. “Emil Theodor Kocher: An Innovator Surgeon.”. Colombia Médica 40, no. 2 (1): 231-234. Accessed October 7, 2025. https://colombiamedica.univalle.edu.co/colombiamedica311/index.php/comedica/article/view/647.