Assessment of the health quality of Ria de Aveiro (Portugal): heavy metals and benthic foraminifera - Martins, Maria Virginia Alves; Frontalini, Fabrizio; Tramonte, Keila Modesto; Figueira, Rubens César Lopes; Miranda, Paulo; Sequeira, Cristina; Fernández-Fernández, Sandra; Dias, João Alveirinho; Yamashita, Cintia; Renó, Raquel; Laut, Lazaro Luiz Mattos; Silva, Frederico Sobrinho; et al. (Marine Pollution Bulletin (print), 2013)