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Fig. 8
Real-space correlation function for the SDSS DR7 quasar uniform sample with 0.3 ≤ z ≤ 2.3. The solid line denotes the model 
defined in Eq. (8)and the shaded areas are the 1σ uncertainties. Errors bars are the square root of the diagonal elements from the covariance matrix computed using the jackknife method.
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