Assessment of metal and metallcoid contamination in surface waters of the Pirapó river, Paraná State (PR), Brazil, and its environmental and human health risks. Research, Society and Development, [S. l.], v. 14, n. 12, p. e151141250409, 2025. DOI: 10.33448/rsd-v14i12.50409. Disponível em: https://www.rsdjournal.org/rsd/article/view/50409. Acesso em: 2 jan. 2026.