2572
Prolonged elevation of plasma argatroban in a cardiac transplant patient with a suspected history of heparin - induced thrombocytopenia with thrombosis .
 argatroban, heparin, thrombocytopenia, thrombosis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 argatroban, heparin, thrombocytopenia, thrombosis