149
9 % of total beta hexosaminidase activity , has been obtained by cellulose acetate gel electrophoresis , DEAE - cellulose ion - exchange chromatography , radial immunodiffusion , and radioimmunoassay .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 None