10928
VKA - associated dietary precautions , monitoring and dosing adjustments to maintain international normalized ratio ( INR ) within therapeutic range , and bridging therapy , are inconvenient for patients , expensive , and may result in inappropriate use of VKA therapy .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None