932
METHODS : 38 female Wistar rats were injected with gentamicin , 40 mg / kg , twice a day for 9 days , 38 with gentamicin + PDTC , and 28 with 0 . 15 M NaCl solution .
 Chemical: gentamicin; Chemical: gentamicin; Chemical: PDTC; 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: gentamicin; Chemical: gentamicin; Chemical: PDTC; Chemical: NaCl