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The pressure dynamic properties , quantitatively defined by comparative pressure dynamic and total pressure dynamic , confirm the alteration in dynamic response of blood vessels during the change of pressure in gentamicin - treated animals and beneficial effects of vitamin C administration .
 Chemical: gentamicin; Chemical: vitamin C
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: gentamicin; Chemical: vitamin C