CHESTER S. KEEFER, M.D., F.A.C.P.; LOWELL A. RANTZ, M.D.; CHARLES H. RAMMELKAMP, M.D.
It is now well established that at least 85 to 90 per cent of all cases of pneumonia are due to pneumococcal infections and, of these, at least 80 per cent are caused by a relatively small number of specific types (I, II, III, V, VII, VIII, and XIV). Other microörganisms, such as Streptococcus hemolyticus, Staphylococcus aureus, Bacillus Friedlander, are usually responsible for the remaining cases. The hemolytic streptococcus is the cause of between 3 and 5 per cent of all cases of pneumonia although its frequency varies from time to time, depending somewhat upon the predisposing factors and the
KEEFER CS, RANTZ LA, RAMMELKAMP CH. HEMOLYTIC STREPTOCOCCAL PNEUMONIA AND EMPYEMA; A STUDY OF 55 CASES WITH SPECIAL REFERENCE TO TREATMENT1. Ann Intern Med. ;14:1533–1550. doi: 10.7326/0003-4819-14-9-1533
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Published: Ann Intern Med. 1941;14(9):1533-1550.
Infectious Disease, Pneumonia, Pulmonary/Critical Care, Streptococcal Infections.
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