The investigation of the efficiency of basic life support education among high school students: Protocol, design and implementation of an interventional, prospective longitudinal,... oleh Csaba Maár, Endre Zima, Bettina Nagy, Ádám Pál-Jakab, Petra Szvath, Boldizsár Kiss, Gábor Fritúz, János Gál, Béla Merkely, Enikő Kovács