428
Classical phenylketonuria ( PKU ) is an autosomal recessive disorder caused by a deficiency of hepatic phenylalanine hydroxylase ( PAH ) .
 Disease: phenylketonuria; Disease: PKU; Disease: autosomal recessive disorder; Disease: deficiency of hepatic phenylalanine hydroxylase
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: autosomal recessive disorder; Disease: deficiency of hepatic phenylalanine hydroxylase