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. 2021 Nov 10;13(11):1904. doi: 10.3390/pharmaceutics13111904

Figure 1.

Figure 1

Study design of three studies with the aim of validating the previously refined intranasal region-specific administration technique [25] in vivo at the olfactory mucosa (study 1), determining the extent of molecules that are delivered to the periphery when administered at the olfactory mucosa (study 2) and analyzing the distribution of IgGs in the CNS after intranasal administration at the olfactory region (study 3).