title: [Surgical treatment in severe cases of pulmonary stenosis in infants--on Brock's operative procedure using Kelly's curved forceps and Hegar's dilators].
mesh_terms: D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008722:Methods; D011666:Pulmonary Valve Stenosis / Q000601:surgery*; D013525:Surgical Instruments