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We undertook a descriptive analysis of Yellow Card records of 407 HIV - positive persons taking tenofovir disoproxil fumarate ( TDF ) as part of their antiretroviral therapy regimen and submitted to the Medicines and Healthcare Products Regulatory Agency ( MHRA ) with suspected kidney adverse effects .
 Chemical: tenofovir disoproxil fumarate; Chemical: TDF
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: tenofovir disoproxil fumarate; Chemical: TDF