Preclinical development of an automated injection device for intradermal delivery of a cell-based therapy.

Drug Deliv Transl Res · 2017 · PMC5574955 · PMID 28812281

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a slight trendno p-value reported

There was no clear correlation between penetration depth and back-flow volume ( r = −0.2), although a slight trend towards decreased back flows at higher delivery depths could be observed (Fig. 5 ).

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