[Certain aspects of gastroduodenal ulcers in French Africa and Madagascar].
D000349:Africa; D044466:Asian People; D044383:Black People; D006801:Humans; D008270:Madagascar; D010437:Peptic Ulcer / Q000453:epidemiology*
PEPTIC ULCER/epidemiology
Aspect particulier des ulcères gastro-duodénaux en Afrique Française et à Madagascar.