[trial 1 key 1 &study_trial('1')]
[trial 2 key 2 &study_trial('2')]
[trial 3 key 3 &study_trial('3')]
[trial 4 key 4 &study_trial('4')]
[trial 5 key 5 &study_trial('5')]
[trial 6 key 6 &study_trial('6')]
[trial 7 key 7 &study_trial('7')]
[trial 8 key 8 &study_trial('8')]
[trial 9 key 9 &study_trial('9')]
[trial 0 key 0 &study_trial('0')]