2354
PbtO ( 2 ) decreased from 51 . 7 + / - 4 . 5 mm Hg sem to 33 . 8 + / - 5 . 2 mm Hg sem in the NTG group and from 38 . 6 + / - 6 . 1 mm Hg sem to 25 . 4 + / - 2 . 0 mm Hg sem in the NTG + NIMO groups , respectively .
 Chemical: NTG; Chemical: NTG; Chemical: NIMO
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:
 Chemical: NTG; Chemical: NTG; Chemical: NIMO