2451
This paper describes the results of an initial study on the application of linear solvation energy relationships ( LSERs ) to the prediction of internal standard compounds in reversed - phase liquid chromatographic ( RPLC ) method development .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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