Autor:	Pringle, M., Morgan, John F., Hopkins, John, Dehn, T. C. B., Mee, A. S., Hockey, Mark S., Freshwater, Gerald, Dudley, Nigel, Cairns, Pamela, Light, Donald W.
Zdroj:	BMJ: British Medical Journal, 2001 Feb . 322(7283), 427-429.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/25466231 Zobrazit plný text záznamu