Ameliorative Effects of Grape Seed Proanthocyanidin Extract on Histomorphological Changes in Rat Mandible Induced by Intramuscular Injection of Botox in Masseter. L&S [Internet]. 2024 Nov. 22 [cited 2026 Oct. 18];5(4):09. Available from: https://www.lifenscience.org/index.php/life-and-science/article/view/766