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However , of the medications surveyed , only the fenfluramines had a significant preferential association with PPH as compared with SPH ( adjusted odds ratio for use > 6 months , 7 . 5 ; 95 % confidence interval , 1 . 7 to 32 . 4 ) .
 Chemical: fenfluramines; Disease: PPH
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: fenfluramines; Disease: PPH