Encara no tenim significats per a "randomize study".
1Its long-term effect has to be confirmed in a future randomized study.
2A future randomized study of genotype-guided antiplatelet therapy may be of value.
3However, a larger prospective randomized study would be required to confirm this.
4Prospective randomized studies with greater emphasis on quality of life are needed.
5No adequately powered prospective randomized study has addressed this issue to date.
6Randomized studies in relation to immunological changes and follow-up are in progress.
7Design: A prospective, single-masked, randomized study in a public tertiary eye clinic.
8The extension of indications should be analyzed in a multicentric randomized study.
9Their relative merits have not been compared in a prospective, randomized study.
10Randomized studies are needed earlier in the course of the disease.
11Large randomized studies are still needed before extensive clinical application in this condition.
12Methods: This prospective randomized study comprised 90 patients scheduled for routine cataract extraction.
13Some meta-analyses found a survival benefit and four randomized studies suggested the opposite.
14Methods: This randomized study was conducted at the Tottori University Hospital.
15Seven hundred and sixteen patients were included into that randomized study.
16This approach has to be compared to conventional chemotherapy in prospective randomized studies.