[On the state of the prevention problem of respiratory tract infections in children].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D012141:Respiratory Tract Infections / Q000517:prevention & control*
Pro stan problemy profilaktyky infektsii dykhal'nykh shliakhiv u diteĭ.