LC-MS/MS Detected Lower Valued of Dexamethasone and Prednisolone in Powdered Herbal Medicines Sold in Tanzania. East African Journal of Science, Technology and Innovation, [S. l.], v. 7, n. Special Issue 1, 2026. DOI: 10.37425/vrxdd174. Disponível em: https://mail.eajsti.org/index.php/EAJSTI/article/view/1934. Acesso em: 16 apr. 2026.