DOI:
10.1055/s-00000099
Zeitschrift für Orthopädie und Unfallchirurgie
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References
Suarez-Almazor ME, Belseck E, Homik J. et al.
Identifying clinical trials in the medical literature with electronic databases: MEDLINE alone is not enough.
Control Clin Trials 2000;
21: 476-487
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