17630
These results suggest that internalization and excretion of 7 - ketostigmasterol is probably influenced by [ Ca ] i , which also could mediate HMGCoA activity in POPs metabolism .
 Chemical: 7 - ketostigmasterol; Chemical: Ca; Chemical: HMGCoA
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: 7 - ketostigmasterol; Chemical: Ca; Chemical: HMGCoA