title: When and how should the patients with severe haemorrhagic-necrotic pancreatitis be operated on?
mesh_terms: D000208:Acute Disease; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010195:Pancreatitis / Q000473:pathology / Q000601:surgery*