CORRESPONDENCE.

Autor: Godber, Colin, Binks, F. Allen, Savilahti, E., Holdsworth, C.D., Hunter, Jennifer M., Lawler, P.G.P., McHutchon, A., Rowlands, D.E., Sinclair, Mike, Madden, Anthony P., Crombie, D.L., Farag, Hesham, Adu Gyamfi, Yaw, Naguie, Mohamed, Tyndel, Felix J., Hughes-Davies, T.H., Scales, John T., Morton, R.P.

Publikováno v: British Medical Journal (Clinical Research Edition); 9/10/1983, Vol. 287 Issue 6394, p758, 7p, 2 Charts, 2 Graphs