4074
Mice ( n = 12 for each point ) received single IP injections of a fixed volume / g body weight of physiological saline carrier with or without caffeine in doses ranging from 125 - 500 mg / kg .
 Chemical: caffeine
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: caffeine