[Role of external factors in the development and clinical aspects of peptic ulcer].
D004777:Environment; D064702:International Classification of Functioning, Disability and Health; D010437:Peptic Ulcer / Q000502:physiology*
ENVIRONMENT; PEPTIC ULCER/physiology
Rol' faktorov vneshnei sredy v razvitii i klinike iazvennoi bolezni.