Robuta

https://www.explorationpub.com/Journals/em/Article/1001203 3D and 4D printing of biomedical materials: current trends, challenges, and future outlook Three-dimensional (3D) and four-dimensional (4D) printing have emerged as the next-generation fabrication technologies, covering a broad spectrum of areas,... 3d and 4dbiomedical materialscurrent trendsfuture outlookprinting