Covid-19 : should the public wear face masks?

Autor:	Javid, Babak, Weekes, Michael P, Matheson, Nicholas J
Zdroj:	BMJ: British Medical Journal, 2020 Apr 01. 369, 1-2.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/27237144 Zobrazit plný text záznamu