Núñez-Fernández, Fidel Ángel, Esperanza Sanjurjo Gonzalez, and Carlos M. Finlay Villalvilla. 1991. “ Comparison of Several Coproparasitological Techniques for Diagnosis of Soil-Transmitted Helminthiasis ”. Revista Do Instituto De Medicina Tropical De São Paulo 33 (5): 403-6. https://revistas.usp.br/rimtsp/article/view/28861.