Transcutaneously refillable, 3D-printed biopolymeric encapsulation system for the transplantation of endocrine cells. - Farina M; Chua CYX; Ballerini A; Thekkedath U; Alexander JF; Rhudy JR; Torchio G; Fraga D; Pathak RR; Villanueva M; Shin CS; Niles JA; et al. (Biomaterials, 2018)