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Mean change from baseline for maximum value for electrocardiographic parameters. Absolute changes are shown on y axis, ECG parameters are shown on x axis. (a) Ketoconazole interaction study: ▪ loratidine; □ ketoconazole; 
loratidine + ketoconazole. (b) Cimetidine interaction study: ▪ loratidine; □ cimetidine; 
loratidine + cimetidine.
