4565
Enhanced bradycardia induced by beta - adrenoceptor antagonists in rats pretreated with isoniazid .
 Disease: bradycardia; Chemical: isoniazid
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:
 Disease: bradycardia; Chemical: isoniazid