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Article

Missing Data Methods in Mendelian Randomization Studies With Multiple Instruments.

Stephen BURGESS ; Juan-P Casas ; LAWLOR (Debbie-A) : GBR. Medical Research Council Centre for Causal Analyses in Translational Epidemiology. School of Social and Community Medicine. University of Bristol. Bristol. ; Shaun SEAMAN ; THOMPSON (Simon-G) : GBR. Department of Public Health and Primary Care. University of Cambridge. Cambridge. ; Medical Research Council Biostatistics Unit. University of Cambridge. Cambridge. GBR |

Dans American journal of epidemiology (vol. 174, n° 9, 2011)

[BDSP. Notice produite par INIST-CNRS ICnR0xDI. Diffusion soumise à autorisation]. Mendelian randomization studies typically have low power. Where there are several valid candidate genetic instruments, precision can be gained by using all the in[...]

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Article

Estimating the relative incidence of heroin use : Application of a method for adjusting observed reports of first visits to specialized drug treatment agencies.

Matthew HICKMAN ; Daniela DE ANGELIS ; Shaun SEAMAN |

Dans American journal of epidemiology (vol. 153, n° 7, 2001)

[BDSP. Notice produite par INIST R0xJwS3M. Diffusion soumise à autorisation]. In this paper, the authors propose a method for estimating the incidence of heroin use by adjusting reported numbers of heroin users visiting drug treatment agencies f[...]

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