556
When compared with the control group , both indomethacin groups revealed statistically increased numbers of mast cells in the mucosa ( P < 0 . 0001 ) and penetration of lanthanum nitrate through intercellular areas of the epithelium .
 Chemical: indomethacin; Chemical: lanthanum nitrate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: indomethacin; Chemical: lanthanum nitrate