4541
During the first test 0 . 9 % NaCl was given i . v . ; during the second test 200 micrograms of hCRH ( n = 12 ) or 400 micrograms of TRH ( n = 6 ) was administered i . v . Nine subjects received 0 . 9 % NaCl i . v . during both rebreathing manoeuvres .
 Chemical: NaCl; Chemical: NaCl
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: NaCl; Chemical: NaCl