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19827
19827
https://w3id.org/oc/corpus/br/19827
Interim analyses for randomized clinical trials: the group sequential approach
P3181
168831484d3689122191cd6b7d399e73ae69077c
P3181
Q28278223-7AB2A0C1-E70C-42B8-8959-40063A2DEE97
P3181
19827
https://w3id.org/oc/corpus/br/19827