title: Main-stem bronchial atresia: intrauterine sonographic diagnosis.
mesh_terms: D000328:Adult; D001980:Bronchi / Q000002:abnormalities*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography