Key points are not available for this paper at this time.
Bruce F. Pennington, Guy C. van Orden, Shelley D. Smith, Phyllis A. Green, Marshall M. Haith, Phonological Processing Skills and Deficits in Adult Dyslexics, Child Development, Vol. 61, No. 6 (Dec., 1990), pp. 1753-1778
Pennington et al. (Sat,) studied this question.