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Representative photomicrographs of periodic acid Schiff-stained sections of kidney showing effects on cyst growth at week 10 in Lewis+NWI (A), Lewis+HWI (B), LPK+NWI (C) and LPK+HWI (D). There was no change in renal structure in the Lewis rats with HWI, whereas in LPK rats there was a marked attenuation in the renal cystic tubular dilation (D vs. C).
