3D Printing of a Multi-Layered Polypill Containing Six Drugs Using a Novel Stereolithographic Method. - Robles-Martinez, Pamela; Xu, Xiaoyan; Trenfield, Sarah J.; Awad, Atheer; Goyanes, Alvaro; Telford, Richard; Basit, Abdul W.; Gaisford, Simon (Pharmaceutics, 2019)