1916
13
49
1081
10
34
1036
30
31
991
22
25
2774
6
25
581
4
23
641
7
22
708
9
19
627
8
18
1131
6
18
364
5
17
826
2
17
526
0
17
1043
29
17
836
8
16
1014
20
16
1431
5
16
389
2
16
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Keyword(s): study