LETTERS.

Autor: Blatch, Chris, Blatt, Teeya, Wilson, Andrew, Hickie, Ian, Lloyd, Andrew, Hadzi-Pavlovic, Dusan, Boughton, Clem, Dwyer, John, Wakefield, Denis, Anderson, Nick, Goudsmit, Ellen M., Tannock, Charles, Campos-Costa, Durval, Brostoff, Jonathan, Do Ho-yen, Grant, A., Cabbot, Neil, Spence, Vance A.

Publikováno v: BMJ: British Medical Journal (International Edition); 5/14/94, Vol. 308 Issue 6939, p1297, 8p, 2 Charts, 2 Graphs