3035
Enalapril treatment blunted but did not prevent reduction in GFR in group 4 ( 0 . 86 + / - 0 . 15 ml / min at 4 months , 0 . 69 + / - 0 . 13 ml / min at 6 months , both P less than 0 . 05 vs . group 3 ) .
 Enalapril
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Enalapril