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Competitive indices obtained from in vivo and in vitro competition assays with N16961 and MQ164. Competitive index = (MQ164 output/N16961 output)/(MQ164 input/N16961 input). MQ164 is N16961 lexAA91D. For in vivo competition, each symbol represents an individual mouse, and for in vitro competition, each symbol represents a different experiment.
