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Phenylketonuria ( PKU ) and mild hyperphenylalaninemia ( MHP ) are allelic disorders caused by mutations in the gene encoding phenylalanine hydroxylase ( PAH ) .
 Disease: Phenylketonuria; Disease: PKU; Disease: mild hyperphenylalaninemia; Disease: MHP; Disease: allelic disorders
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: Phenylketonuria; Disease: PKU; Disease: mild hyperphenylalaninemia; Disease: MHP; Disease: allelic disorders