tokens: The difference between the peak ( 0 : 00 ) and trough values ( 8 : 00 ) of RM and ChtM was significant statistically ( P less than 0 . 01 ) .
folded_tokens: the difference between the peak ( 0 : 00 ) and trough values ( 8 : 00 ) of rm and chtm was significant statistically ( p less than 0 . 01 ) .
labels: O O O O O O O O O O O O O O O O O O O B-other_name O B-other_name O O O O O O O O O O O O