A Drop-on-Demand Bioprinting Approach to Spatially Arrange Multiple Cell Types and Monitor Their Cell-Cell Interactions towards Vascularization Based on Endothelial Cells and Mesenchymal Stem Cells

基于内皮细胞和间充质干细胞的按需滴注生物打印方法，用于空间排列多种细胞类型并监测其细胞间相互作用以实现血管化