CORRESPONDENCE.

Autor: Hollander, Doris, Tobiansky, Robert, Powell, Robin, Jenkinson, Seth, Charny, Mark, Moxon, John E.U., Dobbs, Frank, Young, Gavin, Williams, Huw, Parr, Linda, Jones, Neil, Smales, Keith, Patch, Malcolm, Osborne, John P., Dunster, G.D., Bohin, S., Walker, Timothy, Jelly, Richard

Publikováno v: BMJ: British Medical Journal (International Edition); 9/29/90, Vol. 301 Issue 6753, p664, 6p, 2 Charts