551,923 PATIENT Patient safety and adverse events in contrast medium examinations : Proceedings of the Nycomed Scientific Symposium 1988 held in Oslo, Norway, 18-19 October 1988 / eds. Ivar Enge, Johan Edgren. - Amsterdam [etc.] s Excerpta Hedica, 1989. - XVI, 195 s. : il. ; 24 cm (Excerpta Medica. International Congress Ser. ; 816) (Nycomed Scientific Ser. ; nr 1) ISBN 0-444-81103-6