Autor:	Burroughs, Andrew K., Matthews, Katherine, Qadiri, Mohammed, Thomas, Nigel, Kernoff, Peter, Tuddenham, Edward, McIntyre, Neil
Zdroj:	British Medical Journal (Clinical Research Edition), 1985 Nov . 291(6506), 1377-1381.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/29521277 Zobrazit plný text záznamu