4754
Mibefradil ( Ro 40 - 5967 ) is a novel calcium antagonist from a new chemical class and is the first that selectively blocks the T - type calcium channel .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None