8235
In a group of 13 patients with obliterative arteriopathies of the lower limbs the plasma levels of thrombomodulin ( TM ) , betathromboglobulin ( beta - TG ) , D - dimer ( DD ) and plasminogen activator - inhibitor ( pAI - 1 ) were measured , and compared to the values obtained from 10 healthy volunteers .
 thrombomodulin, TM, betathromboglobulin, beta - TG, plasminogen activator - inhibitor, pAI - 1
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 thrombomodulin, TM, betathromboglobulin, beta - TG, plasminogen activator - inhibitor, pAI - 1