Comparative pharmacognostic study and establishment of quality parameters of leaves of two species of Karen: Thevetia peruviana and Nerium indicum. International Journal of Biomedical Research, [S. l.], v. 3, n. 12, p. 444–447, 2013. DOI: 10.7439/ijbr.v3i12.198. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/786. Acesso em: 12 mar. 2026.