Fonseca Almeida, Ariane, Karina Aparecida Abreu Tonani, Susana Inés Segura-Munoz, Victor Moreira dos Santos, and Angela Maria Magosso Takayanagui. 2009. “Adaptation of Ritchie Method for Diagnosing Helminthes and Protozoa in Samples of Sewage Silt With Chemical Substances Minimization: DOI: 10.15343/0104-7809.20094427431”. O Mundo Da Saúde 33 (4). São Paulo:427-32. https://revistamundodasaude.emnuvens.com.br/mundodasaude/article/view/659.