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  1. 40704871860
    Author(s):Nylund, C. E.
    Title:[Principles for determining night blindness as a symptom of A-avitaminosis]
    Subject(s):Hemeralopia [ including Nyctalopia ] Diagnosis
    Journal Title Abbreviation:Nord. med.
    Date of Publication:1939
    Pagination:2: 1754
    Date of Publication:1940
    Pagination:8: 2527.
    Type of Resource:Analytic
    Series/Volume/Page:Series 4/Volume 7/Page 487