835
Forearm [ 3H ] - L - arginine extraction was calculated after infusion of [ 3H ] - L - arginine into the brachial artery at a rate of 100 nCi / min for 80 minutes .
 [ 3H ] - L - arginine, [ 3H ] - L - arginine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 [ 3H ] - L - arginine, [ 3H ] - L - arginine