Cardiopulmonary resuscitation during severe hypothermia in pigs: does epinephrine or vasopressin increase coronary perfusion pressure? - Krismer, A C; Lindner, K H; Kornberger, R; Wenzel, V; Mueller, G; Hund, W; Oroszy, S; Lurie, K G; Mair, P (Anesth Analg, 2000)