Fonseca Almeida, A. (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. São Paulo, 33(4), pp. 427–432. Available at: https://revistamundodasaude.emnuvens.com.br/mundodasaude/article/view/659 (Accessed: 29 August 2025).