Simultaneous determination of levocetrizine and phenylpropanolamine hydrocholride by RP-HPLC. International Journal of Research in Pharmaceutical Sciences and Technology, [S. l.], v. 3, n. 4, p. 32–36, 2020. DOI: 10.33974/ijrpst.v2i2.238. Disponível em: https://rubatosisjournals.com/index.php/ijrpst/article/view/177. Acesso em: 26 jul. 2026.