20113
We assessed polymorphisms in LEP ( - 2548G > A ) and LEPR ( Lys109Arg , Gln223Arg , and Lys656Asn ) and calculated odds ratios for the genotype and allele distributions between patients and controls .
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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:
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