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.
(A) Histological images of lungs excised after pulmonary delivery of different samples into rats at different time points (scale bar: 100 μm for all panels). (B) Histological images of organs (heart, liver, spleen, and kidney) excised after pulmonary delivery of different samples into rats at different time points (scale bar: 100 μm for all panels).
