Total mercury in sediments and in Brazilian Ariidae catfish from two estuaries under different anthropogenic influence - Azevedo, Juliana Souza; Braga, Elisabete de Santis; Fávaro, Deborah Inês Teixeira; Perretti, Adriana Rodrigues; Rezende, Carlos Eduardo; Souza, Cristina Maria Magalhães de (Marine Pollution Bulletin, 2011)