title: [Abdominal surgery: patients' age].
mesh_terms: D000005:Abdomen / Q000601:surgery*; D000008:Abdominal Neoplasms / Q000453:epidemiology / Q000601:surgery; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Wiek chorych operowanych w zakresie jamy brzusznej.