ONYETO, Collins Azubuike; AKAH, Peter Achunike; OKAFOR, Adaobi. Antitussive properties of the root extract and fractions of Acanthospermum hispidum (L). International Journal of Pharmacological Research, [S. l.], v. 7, n. 1, p. 12–16, 2017. DOI: 10.7439/ijpr.v7i1.3768. Disponível em: https://ssjournals.co.in/index.php/ijpr/article/view/3768. Acesso em: 12 mar. 2026.