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  Indian J Med Microbiol
 

Figure 1: Comparison of the surgical corridors of standard craniotomy and keyhole craniotomy. Standard craniotomy provides a "funnel-shaped surgical corridor" (a), whereas keyhole mini-craniotomy provides a "reverse funnel-shaped surgical corridor" (b)

Figure 1: Comparison of the surgical corridors of standard craniotomy and keyhole craniotomy. Standard craniotomy provides a