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VISUAL ACUITY TESTING WITH PREFERENTIAL LOOKING IN MENTAL RETARDATION
GUNNAR LENNERSTRAND, ANNETTE AXELSSON, GUNNEL ANDERSSONVolume:
61
Year:
1983
Language:
english
Pages:
10
DOI:
10.1111/j.1755-3768.1983.tb04353.x
File:
PDF, 417 KB
english, 1983