R. Mckenzie Johnston, M.D., F.R.C.S.Ed., Consulting Surgeon To The Ear And Throat Department, Royal Infirmary, Edinburgh

Zdroj:	The British Medical Journal, 1930 Jun . 1(3623), 1113-1113.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/25336433 Zobrazit plný text záznamu