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Patients received up to 3 doses / day of 50 mg DCF or 2 . 5 mg / 24 h transdermal GTN for the first 3 days of the cycle , according to their needs .
 Chemical: DCF; Chemical: GTN
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: DCF; Chemical: GTN