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Patients with New York Heart Association classes II to IV CHF and left ventricular ejection fractions of no greater than 0 . 30 ( n = 3164 ) were randomized and followed up for a median of 46 months .
 Disease: CHF
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: CHF