Piroxicam voltammetric determination by ultra low cost pencil graphite electrode. Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 56, p. e17344 , 2020. DOI: 10.1590/s2175-97902019000317344. Disponível em: https://periodicos.usp.br/bjps/article/view/181232.. Acesso em: 2 jun. 2024.