Vanishing optotypes. New type of acuity test letters (Q69585659)
scientific article published on 01 August 1986
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(P31) (Q13442814)
(P304) 1194-1198
(P407) (Q1860)
(P433) 8
(P478) 104
(P577) Friday, August 1, 1986
(P1433) (Q4787301)
(P1476) "Vanishing optotypes. New type of acuity test letters" (language: en)
(P2093) L Frisén
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description scientific article published on 01 August 1986

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