Soil Contamination as an Indicator of Geohelminthiasis in Primary Schools in Ibarapa East Local Government Area of Oyo State. Global Journal of Medical Research, [S. l.], v. 19, n. K5, p. 21–26, 2019. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/1795. Acesso em: 31 jan. 2026.