CORRESPONDENCE.

Autor: Fletcher, Astrid, Nicholl, Claire, Beupitt, Christopher, Fowler, P.B.S., Florkowski, C.M., Cramb, R., Nystrom, Ernst, Petersen, Ken, Lindstedt, Goran, Lord, W.D., Henderson, Graham, Duncan, Alex, Komberg, Marit, Roberts, Jenny, Sim, Fiona, Vafidis, Gillian, Slisht, Peter, Cooper, M.A.C.S., Davenport, P.J.

Publikováno v: BMJ: British Medical Journal (International Edition); 4/21/90, Vol. 300 Issue 6731, p1074-1079, 6p, 1 Black and White Photograph