title: [Age aspects of clinical-morphological characteristics and treatment of duodenal ulcer].
authors.forename: M S
authors.initials: MS
authors.lastname: Gromov
authors.forename: E A
authors.initials: EA
authors.lastname: Islamova
authors.forename: M A
authors.initials: MA
authors.lastname: Osadchuk
authors.forename: T E
authors.initials: TE
authors.lastname: Lipatova
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology*; D004381:Duodenal Ulcer / Q000382:microbiology / Q000503:physiopathology* / Q000628:therapy; D019332:Endothelin-1 / Q000378:metabolism; D005753:Gastric Mucosa / Q000378:metabolism; D016481:Helicobacter Infections / Q000378:metabolism / Q000382:microbiology; D016480:Helicobacter pylori; D006801:Humans; D008550:Melatonin / Q000378:metabolism; D008875:Middle Aged; D019001:Nitric Oxide Synthase / Q000378:metabolism; D055815:Young Adult
chemical_list: D019332:Endothelin-1; D019001:Nitric Oxide Synthase; D008550:Melatonin