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Splunder van J, Stilma JS, Bernsen RM, Evenhuis HM. Prevalence of visual impairment in adults with intellectual disabilities in the Netherlands: cross-sectional study. Eye (Lond). 2006 Sep;20(9):1004-10.
Splunder van J, Stilma JS, Bernsen RM, Evenhuis HM. Prevalence of visual impairment in adults with intellectual disabilities in the Netherlands: cross-sectional study. Eye (Lond). 2006 Sep;20(9):1004-10.