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Our knowledge of how androgens influence the cardiovascular system is far from complete , and this lack of understanding is especially true of how androgens affect resistance vessels .
 Chemical: androgens; Chemical: androgens
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: androgens; Chemical: androgens