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We have investigated whether the acute rise in serum calcium following calcium supplement administration is associated with adverse changes in cardiovascular function .
 Chemical: calcium; Chemical: calcium
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: calcium, calcium 
Answer:
 Chemical: calcium; Chemical: calcium