Residual neuromuscular block is a risk factor for postoperative pulmonary complications. A prospective, randomised, and blinded study of postoperative pulmonary complications after atracurium, vecuronium and pancuronium. - Berg,H.; Roed,J.; Viby-Mogensen,J.; Mortensen,C.R.; Engbaek,J.; Skovgaard,L.T.; Krintel,J.J. (Acta Anaesthesiol Scand, 1997)