Pengaruh Bone Marrow Mesenchymal Stem Cells terhadap pertumbuhan Tunika Muskularis Aneurisma Intrakranial: Uji eksperimental in Vivo pada tikus = The role of Bone Marrow Mesenchymal Stem Cells in Vascular Smooth Muscle Regeneration of Intracranial Aneurysm: Experimental Study in rats.