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METHODS : Twenty renal transplant recipients were switched to fixed dose rapamycin ( RAPA ) ( 5 mg / day ) 0 to 204 months posttransplant .
 Chemical: rapamycin; Chemical: RAPA
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: rapamycin; Chemical: RAPA