Álvarez-Muñoz, D, M Sáez, J Blasco, A Gómez-Parra, and E González-Mazo. 2006. “Enzymatic Activity of Acid and Alkaline Phosphatase and Catalase in Ruditapes Philippinarum As Biomarkers of Stress Caused by Anionic (C11-LAS) and Non-Ionic (NPEO2.8) Surfactants”. Ciencias Marinas 32 (2B):447-55. https://doi.org/10.7773/cm.v32i22.1082.