2932
Statistical analysis of the degrees of secondary spinal cord compression was performed in group - 1 dogs by measuring and comparing ratios of the vertical to the horizontal diameters of the transverse spinal cord sections from locations within ( T12 to L1 ) and out of ( T11 , T11 - 12 , L1 - 2 , and L2 ) the region of surgical intervention .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
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