Spectrophotometric validation of assay method for selected medicinal plant extracts. International Journal of Phytopharmacy, [S. l.], v. 4, n. 4, p. 109–112, 2014. DOI: 10.7439/ijpp.v4i4.106. Disponível em: https://ssjournals.co.in/index.php/ijpp/article/view/1193. Acesso em: 9 jun. 2026.