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. Author manuscript; available in PMC: 2023 May 1.
Published in final edited form as: J Control Release. 2022 Feb 11;345:176–189. doi: 10.1016/j.jconrel.2022.02.011

Figure 1.

Figure 1.

Current percentage distribution of routes of administration for therapeutic peptides and proteins. Adapted from THPdb. (https://webs.iiitd.edu.in/raghava/thpdb/index.html)