2500
Free flow for the radial arterial ( RA ) limb was 161 + / - 81 mL / min , the internal thoracic artery ( ITA ) limb 137 + / - 57 mL / min ( combined 298 + / - 101 mL / min ) versus simultaneous limb flow of 226 + / - 84 mL / min giving a flow restriction of 24 % + / - 14 % .
 radial arterial ( RA ) limb, internal thoracic artery ( ITA ) limb, limb
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 radial arterial ( RA ) limb, internal thoracic artery ( ITA ) limb, limb