1. National institute of allergy and infectious disease initiative in allergy research;David;J Allergy Clin Immunol,1972
2. Radiographic abnormalities in acute asthma in children;Eggleston;Pediatrics,1974
3. Radiological aspects of severe asthma;Rebuck;Radiology,1970
4. Radiology of uncomplicated asthma;Hodson;Thorax,1974
5. X-ray appearances in asthma: a study of 200 cases;Royle;Br Med J,1952