by Dwyer, T., Coonan, W.E., Worsley, A., Leitch, D.R.
Published in Australian and New Zealand journal of public health (01.10.1979)

by Worsley, A, Baghurst, K.L, Leitch, D.R
Published in Human nutrition. Applied nutrition (01.02.1984)

by Leitch, D.R, Hallenbeck, J.M
Published in Electroencephalography and clinical neurophysiology (01.06.1984)