Autor:	Dicker, Andrew, Colquhoun, M. C., Pentecost, B. L., Langfield, Judith A., Brittain, C., Eaton, C. J., Steggles, B. G., Holden, P. J. P., Fairhurst, R. J., Murphy, Andrew, Bury, Gerard, Mann, R. G., Ravalia, A., Jones, P.
Zdroj:	BMJ: British Medical Journal, 1995 Mar . 310(6981), 735-736.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/29726706 Zobrazit plný text záznamu