9862
Simultaneous administration of test extract ( 25 , 50 and 100mg / kg body weight ) , could significantly restore the biochemical and haematological parameters near to the normal status through antioxidant activity and / or by preventing bioaccumulation of Pb within the tissues of experimental rats .
 Chemical: Pb
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: Pb