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Effect of hypertonic saline concentration on induced sputum total mucin. The mean ± SD total mucin for the HS concentrations of 3%, 4% and 5% are 3.49 ± 2.11 (n=20), 4.21 ± 3.06 (n=31), and 1.85 ± 1.10 (n=20) respectively. There was a significant difference between the HS concentrations (p=0.003).
