XXXXXX , was administered to male rats at dosages of 60 and 180 mg / kg / day ( at a dosage volume of 5 mL / kg ) , once daily , for either 1 , 3 , 7 , 14 , 21 or at least 49 ( 180mg / kg / day only ) or 91 days ( 60 mg / kg / day only ) .
XXXXXX , was administered to male rats at dosages of 60 and 180 mg / kg / day ( at a dosage volume of 5 mL / kg ) , once daily , for either 1 , 3 , 7 , 14 , 21 or at least 49 ( 180mg / kg / day only ) or 91 days ( 60 mg / kg / day only ) .
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