Sökning: "Erik Johnsson"

Hittade 2 avhandlingar innehållade orden Erik Johnsson.

1. 1. Self expandable metallic stents in the upper gastrointestinal tract

   Författare :Erik Johnsson; Göteborgs universitet; []
   Nyckelord :Stents; esophageal perforation; gastric outlet obstruction; esophageal neoplasm; health economy; palliative care; computed tomography; X-ray;

   Sammanfattning : .... LÄS MER

3. 2. Stress Coping Strategies in Brown Trout (Salmo Trutta): Ecological Significance and Effects of Sea-Ranching

   Författare :Daniel Brelin; Svante Winberg; Erik Petersson; Jörgen Johnsson; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Zoophysiology; Stress-coping-strategies; Animal-personalities; Behavioral-syndromes; Brown trout; Salmo trutta; Catecholamines; Sexual maturation; Hatchery; Phenotype; Learning; Zoofysiologi; Biology; Biologi;

   Sammanfattning : Two distinct stress coping strategies, proactive and reactive, have been stated in various animal studies, each associated with a set of behavioural and physiological characteristics. In a given challenging situation, proactive animals show more aggression, a higher general activity and a predominant sympathetic reaction. LÄS MER