Case Report: A rare instance of acute appendicitis induced by Balantidium Coli parasitic infection. - Alzate-Ricaurte, Sergio; Garcia Moreno, Isabel Cristina; Serna Lorza, Juan David; Hincapie-Ayala, Daniela; Diaz, Maria Camila; Alzate Gallego, Edgar Darío; Sanchez Sanchez, Juan Pablo (Frontiers in pediatrics, 2024)