Fig. 9. Gamma scintigraphy images of rats showing the presence of radioactivity post-administration of intravenous efavirenz solution [EFV i.v. (S)], intranasal efavirenz solution [IN EFV (S)] and intranasal efavirenz nanoparticles (IN EFV-NPs). (a) EFV-i.v. (S), (b) EFV IN (S) and (c) IN EFV-NPs (reprinted with permission from ref. 83 Copyrights 2019 Tailor and Francis Group).
