fig4
Figure 4. Representative image of a microneedle implant pen: (A) KNU implanters of different sizes, developed from the classic Choi implanter; (B) Close-up view of the tip (inset)[10].
Figure 4. Representative image of a microneedle implant pen: (A) KNU implanters of different sizes, developed from the classic Choi implanter; (B) Close-up view of the tip (inset)[10].
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