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Article
November 8, 1919

FACTORS INFLUENCING RECOVERY AND RESOLUTION IN LOBAR PNEUMONIAWITH SPECIAL REFERENCE TO THE CHEMISTRY OF THE PNEUMONIC EXUDATE

JAMA. 1919;73(19):1420-1422. doi:10.1001/jama.1919.02610450016004
Abstract

Various factors may be operative in the recovery from lobar pneumonia and in the resolution of the fibrinous exudate:

I. PREVIOUS OBSERVATIONS WITH A BEARING ON RECOVERY AND RESOLUTION  Recovery from lobar pneumonia is at present thought to be due to the elaboration of protective substances during the course of the disease. Through the work of G. and F. Klemperer,1 Neufeld and Haendel,2 Dochez3 and Clough4 the blood serum from patients at about the time of or after the crisis has been shown by animal experiments to possess protective power against otherwise fatal doses of pneumococci. These protective substances in small amounts are usually present, but at times are not demonstrable at all. The use of both pneumococci and serum from the same patient is important in their recognition.An advance in the study of the mechanism of recovery is the demonstration by Bull5 of

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