28607
In this study , 19 patients with PsA received 12 - week treatment of TGP , and clinical efficacy in joint manifestations was evaluated by DAS28 at weeks 0 , 4 , 8 and 12 .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None