Effectiveness of a self-management program for dual sensory impaired seniors in aged care settings: study protocol for a cluster randomized controlled trial.Published in:2013By:Roets-Merken, Lieve M;Graff, Maud Jl;Zuidema, Sytse U;Hermsen, Pieter Gjm;Teerenstra, Steven;Kempen, Gertrudis Ijm;Vernooij-Dassen, Myrra Jfj;Graff, Maud J L;Hermsen, Pieter G J M;Kempen, Gertrudis I J M;Vernooij-Dassen, Myrra J F JPublication type:journal article