Stringuetti, C., L. Guilhermino, and Eduardo Mendes da Silva. “Cholinesterase Activity in the Head of Wild Poecilia Reticulata from Bahia, Brazil: Biochemical Characterization, Effects of Sample Storage and Normal Range of Activity”. Ecotoxicology and Environmental Contamination 3, no. 1 (May 12, 2008): 57–63. Accessed May 1, 2026. https://eec.ecotoxbrasil.org.br/index.php/eec/article/view/438.