A Composite Tissue Built Navicular bone Substance Consisting of Bone fragments Mesenchymal Originate Cells, Bone Morphogenetic Health proteins In search of (BMP9) Gene Lentiviral Vector, as well as P3HB4HB Thermogel (BMSCs-LV-BMP9-P3HB4HB) Maintenance Calvarial Skull Defects within Subjects through Expression of Osteogenic Components.
