Epidemic Respiratory DiseaseNote 54 — Chapter III · SECONDARY INFECTION IN THE WARD TREATMENT OF INFLUENZA AND PNEUMONIAReading editionHaller and Colwell: Jour. Am. Med. Assn., 1918, lxxi, 1213.◇Copy noteReturn to CHAPTER III SECONDARY INFECTION IN THE WARD TREATMENT OF INFLUENZA AND PNEUMONIA