Maberley, DA; Hollands, H, Chuo, J, Tam, G, Konkal, J, Roesch, M, Veselinovic, A, Witzigmann, M, Bassett, K. The prevalence of low vision and blindness in Canada.. Eye (London, England). March 2006, 20 (3): 341–6. PMID 15905873. doi:10.1038/sj.eye.6701879.引文使用过时参数coauthors (帮助)
Autism and Blindness. Nerbraska Center for the Education of Children who are Blind or Visually Impaired. [27 May 2010]. (原始内容存档于2008年8月8日).
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Maberley, DA; Hollands, H, Chuo, J, Tam, G, Konkal, J, Roesch, M, Veselinovic, A, Witzigmann, M, Bassett, K. The prevalence of low vision and blindness in Canada.. Eye (London, England). March 2006, 20 (3): 341–6. PMID 15905873. doi:10.1038/sj.eye.6701879.引文使用过时参数coauthors (帮助)