Histamine plasma concentration and cardiovascular effects of non-depolarizing muscle relaxants: Comparison of atracurium, vecuronium, pancuronium and pipecuronium in coronary surgical patients at risk. - Brinkmann,M.; Günnicker,M.; Freund,U.; Schieffer,M.; Peters,J. (Anaesthesiol Intensivmed Notfallmed Schmerzther, 1998)