This paper concerns only persons who were accustomed to have three or more chest colds a year for a number of years, and who were observed at the time of the colds. Data for thirty-one patients are presented in table 1 to illustrate the variability in the occurrence of colds. Of this number, seventeen were normal persons, and the remaining fourteen were subject to asthma when they had a cold. In fifteen of the thirty-one patients, frequent bacteriologic examinations of the sputum were made at the time of a cold in the chest. Eight of this group were normal persons and seven had asthma with their colds; these cases are presented in table 2. All of the thirty-one patients, whether or not they had asthma, were free from symptoms in the interim between the colds in the chest; therefore, so far as this paper is concerned, all might be considered
WALKER IC, ADKINSON J. FREQUENT CHEST COLDS: VARIABILITY IN THEIR OCCURRENCE AND THE BACTERIOLOGY IN THOSE VERY SUSCEPTIBLE TO THIS TYPE OF COLD. Arch Intern Med (Chic). 1930;46(1):1–16. doi:10.1001/archinte.1930.00140130004001
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