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Protocol of the study. This graph shows each type of salt diet and the time period in which it was fed to the Dahl S rats. 0.3% NaCl, a low-salt (0.3% NaCl, w/w) diet; 0.75% NaCl, regular (0.75% NaCl, w/w) diet; and 4% NaCl, a high-salt (4% NaCl, w/w) diet.
