title: [Development of mortality in emergency surgery].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001660:Biliary Tract Diseases / Q000401:mortality; D002031:Bulgaria; D004630:Emergencies; D005260:Female; D005767:Gastrointestinal Diseases / Q000401:mortality; D006801:Humans; D008107:Liver Diseases / Q000401:mortality; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000401:mortality; D012737:Sex Factors; D013514:Surgical Procedures, Operative / Q000401:mortality*
vernacular_title: Za formiraneto na letaliteta v speshnata khirurgiia.