title: [Course of pneumonia and bronchitis in children of various ages with hypochromic anemia].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000747:Anemia, Hypochromic / Q000209:etiology*; D001991:Bronchitis / Q000097:blood*; D002648:Child; D002675:Child, Preschool; D003289:Convalescence; D006801:Humans; D007223:Infant; D011014:Pneumonia / Q000097:blood*; D013997:Time Factors
vernacular_title: Przebieg zapaleń płuc i oskrzeli u dzieci w róznym wieku, z niedokrwistościa z nedoboru zelaza.