1817
For this reason , each clinician should recognize this entity in the differential diagnosis of PB - related asymptomatic chronic hepatic enzyme dysfunction .
 Chemical: PB; Disease: chronic hepatic enzyme dysfunction
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: PB; Disease: chronic hepatic enzyme dysfunction