Malposition of central venous catheters. Incidence, management and preventive practices. - Muhm,M.; Sunder-Plassmann,G.; Apsner,R.; Pernerstorfer,T.; Rajek,A.; Lassnigg,A.; Prokesch,R.; Derfler,K.; Druml,W. (Wien Klin Wochenschr, 1997)