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Figure 1 Changes in the plasma B-type natriuretic peptide (BNP) levels (A) and New York Heart Association (NYHA) functional classification (B) before and after the treatment with (the famotidine group) or without famotidine (the control group). The plasma BNP levels are statistically analyzed after the log transformation. The p values are obtained using 2-way repeated-measures analysis of variance (A) or Wilcoxon signed rank test (B).
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