Neuroendocrinology · 2019 · 61 citations · 15 references
A longitudinal increase in Ki-67 index and increase in tumor grade were observed in a majority of PanNETs included in this study. We propose that increase in Ki-67 index and high-grade progression should be investigated further as important biomarkers in PanNET.
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Erik von Elm, Douglas G. Altman, Matthias Egger et al. · PLoS Medicine · 2007 · 21.1K citations · Full text
Observational Studies, Retrospective Cohort Study, Meta-analysis +15
Erik von Elm, Douglas G. Altman, Matthias Egger et al. · The Lancet · 2007 · 17.1K citations · Full text
Observational Studies, Retrospective Cohort Study, Epidemiological Outcome +9
Mutational Analysis Reveals the Origin and Therapy-Driven Evolution of Recurrent Glioma
Brett Johnson, Tali Mazor, Chibo Hong et al. · Science · 2013 · 1.4K citations · Full text