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Description
Peptides are relatively short chains of amino acids: shorter than proteins, but longer than individual amino acids
For 5 mg/mL, it is 12 mL
Science 354 , 472477 (2016)

The established maximum doses represent the upper limits studied in clinical trials, beyond which risk-benefit ratios become unfavorable

Different delivery methods are used depending on the target area
doi: 10.3389/fimmu.2021.617251