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Products of steroidogenic factor 1 ( SF - 1 ) and Wilms tumor 1 ( WT1 ) genes are essential for mammalian gonadogenesis prior to sexual differentiation .
 Disease: Wilms tumor
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: Wilms tumor