3710
METHODS : Forty - five hospitalized elderly patients ( > 65 years old ) who required therapy with nonsteroidal antiinflammatory drugs ( NSAID ) were randomly assigned to receive either indomethacin , 150 mg / day ( Group A ) , or indomethacin 150 mg / day plus misoprostol at 0 . 6 mg / day ( Group B ) .
 Chemical: indomethacin; Chemical: indomethacin; Chemical: misoprostol
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: indomethacin; Chemical: misoprostol