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However , direct visualization and quantitation of hex A by the methods described may prevent false - positive prenatal diagnosis of TSD in fetuses having the incomplete hex A deficiency of the type described in the four healthy individuals
 Disease: TSD; Disease: hex A deficiency
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: TSD; Disease: hex A deficiency