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(a) OSI contours for normal PVR (top row) and high PVR (bottom row), and a single proximal MBTS (left column), a proximal MBTS and a 2 mm PDA (middle column), and a proximal MBTS and a 4 mm PDA (right column). (b) Spatially averaged OSI in the PA segment (top plot) and in the MBTS (bottom plot). See Fig. 5 caption for more details.
