Investigation of sewage contamination using steroid indexes in sediments of the Guajará Estuary (Amazon coast, Brazil) . Brazilian Journal of Oceanography, [S. l.], v. 63, n. 4, p. 501–510, 2015. DOI: 10.1590/S1679-87592015097506304. Disponível em: https://www.revistas.usp.br/bjoce/article/view/109936.. Acesso em: 5 may. 2024.