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Hypertension was observed in animals that had a reduction in glomeruli as well as in a group that did not have a reduction in glomerular number , suggesting that a reduction in glomerular number is not the sole cause for the development of hypertension .
 Hypertension, reduction in glomerular number, reduction in glomerular number, hypertension
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Hypertension, reduction in glomerular number, reduction in glomerular number, hypertension