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7. Ecological studies on influenza infection and the effect of vaccination: their advantages and limitations. Washio M; Oura A; Mori M Vaccine; 2008 Nov; 26(50):6470-2. PubMed ID: 18573289 [TBL] [Abstract][Full Text] [Related]
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19. Limitations of the current practices used to perform ecological risk assessment. Kapustka L Integr Environ Assess Manag; 2008 Jul; 4(3):290-8. PubMed ID: 18324872 [TBL] [Abstract][Full Text] [Related]
20. Publication bias was not a good reason to discourage trials with low power. Borm GF; den Heijer M; Zielhuis GA J Clin Epidemiol; 2009 Jan; 62(1):47.e1-10. PubMed ID: 18620841 [TBL] [Abstract][Full Text] [Related] [Next] [New Search]