OPTIMIZATION OF NEUROTRANSMITTERS SEPARATION UNDER HILIC CONDITIONS. Journal of Engineering Studies and Research, [S. l.], v. 23, n. 1, p. 36–41, 2017. DOI: 10.29081/jesr.v23i1.90. Disponível em: https://jesr.ub.ro/journal/article/view/90. Acesso em: 13 sep. 2025.