by Blumgart, R.L., Payne, M., Rhodes, A.H.
Published in Clinical radiology (1987)

by Spence, R.A.J., Rosen, A., Krige, J.E.J., Blumgart, R.L., Temple-Camp, C.R.E. & Terblanche, J.
Published in South African medical journal (21.11.1987)