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These findings indicate that GTN has a reduced efficacy and tolerability by comparison with DCF in the treatment of primary dysmenorrhea .
 Chemical: GTN; Chemical: DCF; Disease: dysmenorrhea
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: GTN; Chemical: DCF; Disease: dysmenorrhea