Ovarian ablation in breast cancer, 1896 to 1998: milestones along hierarchy of evidence from case report to Cochrane review

Clarke, Michael J
October 1998
BMJ: British Medical Journal (International Edition);10/31/98, Vol. 317 Issue 7167, p1246
Academic Journal
Describes the hierarchy of evidence needed to determine treatment efficacy from case reports. Information on case reports, case series, comparison with historical groups, randomized trials and systematic reviews; Hierarchy of evidence on ovarian ablation for breast cancer; Conclusions.


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