[Rate of occurrence of chronic diseases of the stomach in children of school age].
D000293:Adolescent; D002648:Child; D002662:Child Health Services; D002908:Chronic Disease; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008499:Medical Records; D013272:Stomach Diseases / Q000175:diagnosis / Q000453:epidemiology*; D014586:USSR
Rasprostranennost' khronicheskikh zabolevaniĭ zheludka u deteĭ shkolnogo vozrasta.