Autor:	Chikwe, Joanna, Meakin, Richard, Lloyd, Margaret, Ward, Sue, Tsuruoka, Koki, Tsuruoka, Yuko, Yoshimura, Manabu, Imai, Koyu, Sekiguchi, Satoko, Mise, Junichi, Asai, Yasuhiro, Nago, Naoki, Igarashi, Masahiro, Gill, Paramjit S.
Zdroj:	BMJ: British Medical Journal, 1996 Jul . 313(7049), 114-115.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/29732285 Zobrazit plný text záznamu