Metal Contents and Acute Toxicity of Combined Vernonia amygdalina Leaves and Garcinia kola Seeds-VAGK, a Herbal and Nutritional Formulation in Male Wistar Rats. AJBR [Internet]. 31º de maio de 2019 [citado 21º de maio de 2026];22(2):187-94. Disponível em: https://www.ojshostng.com/index.php/ajbr/article/view/2260