CORRESPONDENCE.

Autor: Craft, T.M., Blogg, C.E., Moyle, J., Crockroft, S., Dodd, Paul, Silverston, Paul, Thompson, M. Keith, Qureshi, Bashir, Johnstone, Frank, Haddad, N.G., Greer, Ian A., Hoskins, P.R., Beattie, R.B., Dornan, James C., Martin, D.H., Spencer, John, Rodeck, C., Hoogenraad, T.U.

Publikováno v: BMJ: British Medical Journal (International Edition); 4/22/89, Vol. 298 Issue 6680, p1096, 7p, 2 Charts