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  Indian J Med Microbiol
 

Figure 1: External dacryocystorhinostomy. (a) Creating bony ostium using Kerrison punch, (b) large bony ostium, (c) lacrimal sac flap

Figure 1: External dacryocystorhinostomy. (a) Creating bony ostium using Kerrison punch, (b) large bony ostium, (c) lacrimal sac flap