VILLARREAL ROMERO, Wilson Leonardo; ROBLES CAMARGO, Jorge; MODESTI COSTA, Geison. Chemical characterization and validation of the UPLC-DAD analytical method for the quantification of flavonoids from the flower extract of Kalanchoe pinnata (Lam) Persoon. Revista Productos Naturales, "Quebec, CA", v. 5, n. 2, p. 108–110, 2022. DOI: 10.3407/rpn.v5i2.6829. Disponível em: https://www.nozomiscience.org/index.php/rpn/article/view/6829. Acesso em: 21 jan. 2026.