13451
Results indicate that chronic arsenic exposure caused a significant increase in ROS followed by NO and calcium influx .
 Chemical: arsenic; Chemical: NO; Chemical: calcium
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: arsenic; Chemical: NO; Chemical: calcium