1874
Gastrointestinal tolerability of etoricoxib in rheumatoid arthritis patients : results of the etoricoxib vs diclofenac sodium gastrointestinal tolerability and effectiveness trial ( EDGE - II ) .
 Chemical: etoricoxib; Disease: rheumatoid arthritis; Chemical: etoricoxib; Chemical: diclofenac sodium
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: etoricoxib; Disease: rheumatoid arthritis; Chemical: etoricoxib; Chemical: diclofenac sodium