Sandoval, S. , González, K. e Muñoz, L.H. 2021. Elaboration of reference material for cadmium and arsenic in hydrobiological products, for the purpose of being used in a laboratory intercomparation program. Revista do Instituto Adolfo Lutz. 80, (dez. 2021), 1–15,e37420. DOI:https://doi.org/10.53393/rial.2021.v.80.37420.