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We describe in this article our experience in improving this technique , in 73 living donor liver grafts ( 64 right lobes , 9 left lobes ) in patients with end - stage liver disease during living donor liver transplantation .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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