Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
PLGA scaffolds with villi architecture generated by indirect three-dimensional printing with villus diameter, height and intervillus spacing of (a) 0.5, 1, 0.5 mm; (b) 0.5, 1, 1 mm; (c) 1, 1, 1 mm, respectively. (reprinted from 126 with permission from Wiley.)
