4543
Food and Drug Administration criteria ( at least mild aortic regurgitation or moderate mitral regurgitation ) .
 Disease: aortic regurgitation; Disease: mitral regurgitation
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: aortic regurgitation; Disease: mitral regurgitation