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Existing theory predicts competitors (species or genetic clones) cannot coexist in a fluctuating environment unless relative fitness is negatively frequency-dependent (relative fitness declines as the frequency of a competitor increases). We develop simple theory to show coexistence does not require frequency-dependent selection, and we confirm this(More)
BACKGROUND Several observational studies have shown that statin use may modify the risk of haematological malignancies. To quantify the association between statin use and risk for haematological malignancies, we performed a detailed meta-analysis of published studies regarding this subject. METHODS We conducted a systematic search of multiple databases(More)
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