3824
Twenty - four healthy volunteers received dl - MPH ( 0 . 3 mg / kg ) or d - MPH ( 0 . 15 mg / kg ) , with or without ethanol ( 0 . 6 g / kg ) .
 Chemical: dl - MPH; Chemical: d - MPH; Chemical: ethanol
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: dl - MPH; Chemical: d - MPH; Chemical: ethanol