1773
Biochemical and structural analysis of missense mutations in N - acetylgalactosamine - 6 - sulfate sulfatase causing mucopolysaccharidosis IVA phenotypes .
 mucopolysaccharidosis IVA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 mucopolysaccharidosis IVA