1610
RESULTS : The bupivacaine / rofecoxib group reported significantly less pain , as assessed by a visual analog scale , compared with the other three treatment groups over the first 4 h .
 Chemical: bupivacaine; Chemical: rofecoxib; Disease: pain
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: bupivacaine; Chemical: rofecoxib; Disease: pain