Autor:	Greenwood, Darren C., Alwan, Nisreen, Boylan, Sinead, Cade, Janet E., Charvill, Jim, Chipps, Karen C., Cooke, Marcus S., Dolby, Vivien A., Hay, Alastair W. M., Kassam, Shabira, Kirk, Sara F. L., Konje, Justin C., Potdar, Neelam, Shires, Susan, Simpson, Nigel, Taub, Nicholas, Thomas, James D., Walker, James, White, Kay L. M., Wild, Christopher P.
Zdroj:	European Journal of Epidemiology, 2010 Jan 01. 25(4), 275-280.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/40602620 Zobrazit plný text záznamu Full text from SpringerLink