Arévalo de Herrera, Myriam, and Sócrates Herrera. “Umor Necrosis Factor Production in Acute Malaria”. Colombia Medica 20, no. 4 (December 31, 1989): 142–147. Accessed December 11, 2025. http://colombiamedica.univalle.edu.co/index.php/comedica/article/view/6269.