26956
An incremental repeated acquisition ( IRA ) of response chains procedure was used to detect MeHg - induced deficits in learning or motoric function and to evaluate possible neuroprotection by nimodipine .
 Chemical: MeHg; Chemical: nimodipine
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: MeHg; Chemical: nimodipine