1. DELLER, F. C. (1946), Post-grad. med. J., 22, 43.
2. Diseases of Children,;MONCRIEFF, A.,1934
3. GRIFFITHS, IVOR (1937), Lancet, ii, 723.
4. The bronchoscopic findings in these children have been described
5. The role of upper respiratory tract infection in the catarrhal child has been stressed