[Current issues in gastroenterology in our country].
Tsimmerman
Ia S
IaS
D005762:Gastroenterology / Q000458:organization & administration* / Q000639:trends; D005767:Gastrointestinal Diseases / Q000382:microbiology; D016481:Helicobacter Infections / Q000150:complications / Q000628:therapy; D006801:Humans; D012426:Russia