Autor:	Kay, Sidney, Craig, D. G., Hypher, Terence, Loudon, Jean, Dally, Ann, Berger, David, Bennett, John D. C., Essex, B., Herxheimer, Andrew, Hart, G.
Zdroj:	BMJ: British Medical Journal, 1995 Mar 01. 310(6980), 660-662.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/29726618 Zobrazit plný text záznamu