Uys, I. C., Department of Speech Pathology, University of Pretoria, South Africa
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Journal of the South African Speech and Hearing Association: Vol 23, No 1 (1976) - Original Research
Die diagnosering van stamel as 'n vorm van psigoneurologiese disfunksie
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Journal of the South African Speech and Hearing Association: Vol 20, No 1 (1973) - Original Research
'n Biologies-gefundeerde hipotese in verband met die ontslaan van hakkel
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