Moreira, E. G.; Vasconcellos, M. B. A.; Maihara, V. A.; Catharino, M. G. M.; Saiki, M. Mussel Reference Material Preparation Proposal As a Quality Assurance Tool for Brazilian Seashore Biomonitoring. Ecotoxicol. Environ. Contam. 2007, 2, 61-65.