6987
The levels of fibrinogen as well as antithrombin III ( ATIII ) and heparin cofactor II ( HCII ) activities were steadily increased in loop - bearing animals .
 fibrinogen, antithrombin III, ATIII, heparin cofactor II, HCII
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 fibrinogen, antithrombin III, ATIII, heparin cofactor II, HCII