Autor:	Alfirevic, Zarko, Keeney, Edna, Dowswell, Therese, Welton, Nicky J, Dias, Sofia, Jones, Leanne V, Navaratnam, Kate, Caldwell, Deborah M
Zdroj:	BMJ: British Medical Journal, 2015 Feb 01. 350
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/26518111 Zobrazit plný text záznamu