1. Mysterious Syndrome Causing High Mortality in Wild Brown Trout in Eastern Switzerland, Similar to Proliferative Darkening Syndrome – Pathology and Possible Causes. (January 2020) Authors: Schmidt-Posthaus, H.; Birrer, C.; Mehr, C.; Leib, V.; Kugler, M. Journal: Journal of comparative pathology Issue: Volume 174(2020) Page Start: 158 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗