title: [Diagnostic problems in cases of mediastinal tumours in children aged 3 years or less (author's transl)].
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008479:Mediastinal Neoplasms / Q000145:classification / Q000000981:diagnostic imaging*; D011859:Radiography
vernacular_title: Problemy diagnostyczne w przypadkach guzów śródpiersia u dzieci w wieku do 3 lat.