3292
The rates of onset of the action of cimetidine and ranitidine were the same .
 Chemical: cimetidine; Chemical: ranitidine
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: cimetidine; Chemical: ranitidine