989
Specific gravity was greater in the 15 / HTN group ( 1 . 043 + / - 0 . 002 ) versus the 90 / HTN ( 1 . 036 + / - 0 . 003 ) and control ( 1 . 037 + / - 0 . 003 ) groups .
 Disease: HTN; Disease: HTN
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: HTN; Disease: HTN