2578
CONCLUSIONS : Correlation of plasma argatroban concentration versus the patient ' s coagulation variables and clinical course suggest that prolonged elevated levels of plasma argatroban may have contributed to the patient ' s extended coagulopathy .
 argatroban, argatroban, coagulopathy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 argatroban, argatroban, coagulopathy