Results 271 to 280 of about 513,786 (307)
Some of the next articles are maybe not open access.

Mendelian randomization with invalid instruments: effect estimation and bias detection through Egger regression

International Journal of Epidemiology, 2015
Jack Bowden   +2 more
exaly  

Frailty assessment instruments: Systematic characterization of the uses and contexts of highly-cited instruments

Ageing Research Reviews, 2016
Brian Buta, Mhs   +2 more
exaly  

Avoiding bias from weak instruments in Mendelian randomization studies

International Journal of Epidemiology, 2011
Stephen Burgess, Simon G Thompson
exaly  

Outcome instruments to measure frailty: A systematic review

Ageing Research Reviews, 2011
Mwg Nijhuis-Van Der Sanden
exaly  

The choice of innovation policy instruments

Technological Forecasting and Social Change, 2013
Susana BorrĂ¡s, Charles Edquist
exaly  

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