CORRESPONDENCE.

Autor: Crombie, Jain, Brown, Sheila V., Beardon, Paul H.G., Conway, S.P., Gillies, D.R.N., Littlewood, J.N., Archer, C.B., MacDonald, D.M., Thompson, June, Harris, Luke, Katuna, C.L.E., Aldridge, C.R., Brandon, Sydney, Murray, Declan, O'Leary, Dermot, Snell, Eric S., Mayon-White, R.T., Fowler, G.H.

Publikováno v: British Medical Journal (Clinical Research Edition); 3/3/1984, Vol. 288 Issue 6418, p715, 8p, 3 Charts