title: [Certain problems of epidemiology of tuberculosis among children].
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012423:Rural Health; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology* / Q000209:etiology; D014505:Urban Population
vernacular_title: Nekotorye voprosy epidemiologii tuberkuleza sredi deteĭ.