Unusual natural polycyclic aromatic hydrocarbons in sediment cores of an Amazon estuary - Neves, Patricia A.; Santos, Felipe R.; Araújo, Lígia D.; Taniguchi, Satie; Ferreira, Paulo A. L.; Figueira, Rubens César Lopes; Lourenço, Rafael André; Bícego, Márcia Caruso (Marine Pollution Bulletin (print), 2022)