1212
Additional grafted rats treated with spironolactone ( n = 6 ) or PBS ( n = 8 ) were sacrificed on day 12 for quantitative RT - PCR analysis for mechanistic studies .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 None