CORRESPONDENCE.

Autor: Barson, A.J., Davis, J.A., Holly, H.R., Chalmers, I., Short, R., Tizard, Peter, Wigglesworth, J.S., Needham, C. Douglas, Jones, Peter F., Morris, D.L., Hawker, P.C., Dykes, P.W., Allan, R.N., Keighley, M.R.B., Johnson, A.G., Raftery, E.B., Weissberg, P., Kendall, M.J.

Publikováno v: British Medical Journal (Clinical Research Edition); 3/27/1982, Vol. 284 Issue 6320, p973, 12p, 6 Charts