3443
No change in erythrocyte counts were observed , but there was a two - fold decline in leukocyte counts in all TiO ( 2 ) treatment groups relative to time - matched controls .
 Chemical: TiO ( 2 )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: TiO ( 2 )