5331
We conducted a literature search of all available studies reporting a ' hungry bone syndrome ' in patients who had a parathyroidectomy for PHPT , to identify patients at risk and address the pitfalls in their management .
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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:
 None