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Its antiarrhythmic effectiveness surpasses that of propranolol and pindolol inhibiting the ouabain arrhythmia in dogs and cats .
 Chemical: propranolol; Chemical: pindolol; Chemical: ouabain; Disease: arrhythmia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: propranolol; Chemical: pindolol; Chemical: ouabain; Disease: arrhythmia