Ukoumunne, O. C.Davison, A. C.Gulliford, M. C.Chinn, S.2006-04-212006-04-212006-04-21200310.1002/sim.1643https://infoscience.epfl.ch/handle/20.500.14299/229881WOS:0001873529000094665Non-parametric bootstrap confidence intervals for the intraclass correlation coefficienttext::journal::journal article::research article