20058
In this longitudinal study of 53 patients with CKD Stages 2 - 5D , we used dual energy X - ray absorptiometry ( DXA ) , high resolution peripheral quantitative computed tomography ( HRpQCT ) and biochemical markers of bone metabolism to elucidate effects of CKD on the skeleton .
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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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