5568
Compared with control animals transfected with LacZ , site - specific transfection of phVEGF resulted in augmented collateral vessel development documented by serial angiography , and improvement in calf blood pressure ratio ( ischemic to normal limb ) , resting and maximum blood flow , and capillary to myocyte ratio .
 collateral vessel, calf blood, limb, blood, capillary, myocyte
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 collateral vessel, calf blood, limb, blood, capillary, myocyte