Authors: Fischler, L Erhart, S Kleger, GR Frutiger, A

Citation: L. Fischler et al., Prevalence of tracheostomy in ICU patients. A nation-wide survey in Switzerland, INTEN CAR M, 26(10), 2000, pp. 1428-1433

Authors: Erhart, S Beer, JH Reinhart, WH

Citation: S. Erhart et al., Influence of aspirin on platelet count and volume in humans, ACT HAEMAT, 101(3), 1999, pp. 140-144