1. Pneumonia and the chest roentgenogram;Lowell,1985
2. The history and physical examination;Waring,1983
3. A study of the efficacy of diagnostic radiologic procedures;Lusted,1977
4. Clinical predictors of pneumonia as a guide to ordering chest roentgenograms;Leventhal;Clin Pediatr,1982
5. Clinical, laboratory and radiologic information in the diagnosis of pneumonia in children;Caplan,1985