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Owing to a high incidence of thrombophlebitis , the study was terminated prematurely and only the data of the two parallel treatment groups ( 15 patients in each group ) were analysed .
 Disease: thrombophlebitis
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:
 Disease: thrombophlebitis