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  Indian J Med Microbiol
 

Figure 2 : Influence of surgical experience on risk ratios of different types of graft. Comparison was made between the first 5 years when arterial grafting was not routinely used and the remaining 11 years when use of the left ITA became routine. Asterisks indicate statistical significance between the different periods.

Figure 2 : Influence of surgical experience on risk ratios of different types of graft. Comparison was made between the first 5 years when arterial grafting was not routinely used and the remaining 11 years when use of the left ITA became routine. Asterisks indicate statistical significance between the different periods.