2993
A direct statistically reliable correction of decrease of the enzymes with the initial state of the patients has been established in an analysis of 25 patients aged from 18 to 60 years in prosthesis of + the mitral valve ( n - 9 ) and closed mitral commissurotomy ( n - 16 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None