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Recent work suggest that Reprimo might be a potential non-invasive biomarker for early detection in gastric cancer since it has been found in plasma samples of gastric cancer patients ( > 90 % ) but rarely ( 10 % ) in plasma of healthy donors .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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