19121
The emerging role of hepatic transporters in regulating the movement of endogenous and exogenous chemicals ( e . g . , bile acids and drugs ) across cellular and tissue membranes is critical in determining the pathophysiology of liver disease as well as drug toxicity and efficacy .
 Chemical: bile acids
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: bile acids