4297
Injections of ketamine in doses from 100 microgram to 3 mg into the artery produced a depression of the SA nodal activity by a direct action .
 Chemical: ketamine; Disease: depression
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: ketamine; Disease: depression