[On shifts in the degree of tuberculosis infection in school-age children and reasons for the frequency of doubtful Mantoux reactions].
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*
O sdvigakh v inftisirovannosti tuberkulezom deteĭ shkol'nogo vozrasta i prichinakh uchashcheniia somnitel'nykh reaktsiĭ Mantu.