3416
To define the molecular basis of PKU , we characterized twelve restriction fragment - length polymorphism ( RFLP ) haplotypes of the PAH locus in the northern European population and observed that 90 % of the PKU alleles in this population are confined to four common RFLP haplotypes .
 Disease: PKU; Disease: PKU
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: PKU, PKU 
Answer:
 Disease: PKU; Disease: PKU