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Angiotensin peptide contents in rat kidney cortex and medulla. The levels of ANG I, ANG II, and ANG 1–7 were measured by HPLC in kidney cortex and medulla samples from Goldblatt (n = 11) rats and sham (n = 9) rats. Values are expressed in pg/g of protein. Values are means ± SE. *P < 0.05, **P < 0.01, ***P < 0.001 vs. sham. #P < 0.05 kidney cortex vs. kidney medulla. #P < 0.05 clipped (CK) vs. nonclipped (NCK).
