3806
At normal [ Na ] o , decrease ( 0 . 675 mM ) or increase ( 3 . 6 mM ) of [ Ca ] o did not modify BF ; a reduction of ten times ( 0 . 135 mM of normal [ Ca ] o was effective to reduce BF by 40 + / - 13 % .
 Chemical: Na; Chemical: Ca; Chemical: Ca
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Na, Ca, Ca 
Answer:
 Chemical: Na; Chemical: Ca; Chemical: Ca