3558
Naloxone ( 0 . 3 , 1 , 3 , and 10 mg / kg ) injected prior to training attenuated the retention deficit with a peak of activity at 3 mg / kg .
 Chemical: Naloxone; Disease: retention deficit
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: Naloxone; Disease: retention deficit