Autor:	Volans, Andrew P., Irvine, Helene, Scott, Peter, Harrison, B. D. W., Ralphs, D. N. L., Seymour, W. M., Bruce, Janet, Roberts, Trudie, Heagerty, A. M., Foster, Paula, Koay, C. B., Milford, C. A.
Zdroj:	BMJ: British Medical Journal, 1995 Jul 01. 311(6996), 59-61.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/29727991 Zobrazit plný text záznamu