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. 2012 Jun 21;5:35–46. doi: 10.2147/LRA.S16314

Figure 6.

Figure 6

Ultrashort cannula. Copyright © 2004. Elsevier. Reproduced with permission from McNeela BJ, Kumar CM. Sub-Tenon’s block with an ultrashort cannula. J Cataract Refract Surg. 2004;30(4):858–862.20