LETTERS.

Autor: Main, Joy A., Main, Paul G.N., Meats, Philip, Salter, Edmund, Oliver, Rosalind, Refts, D.A., Pillaye, Jayshree, Findlater, John, Kelly, John, Mellanby, A.R., Phelps, F.A., Trip, J.H., Myles, J.W., Quigley, Catherine, Garvey, Paul, Rayner, Claire, Rodrigues, J.C., Evans, B.

Publikováno v: BMJ: British Medical Journal (International Edition); 8/8/92, Vol. 305 Issue 6849, p362, 8p, 4 Charts