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October 1950


AMA Am J Dis Child. 1950;80(4):566-577. doi:10.1001/archpedi.1950.04040020578005

THE GENERAL mechanism of the primary complex of pulmonary tuberculosis has been clearly understood by physicians for many years. Nevertheless many medical men, including pediatricians, have hazy and often incorrect ideas concerning its pathologic details and its clinical manifestations. The purpose of this investigation and presentation is to clarify some of the clinical and roentgen conceptions of the primary complex and coordinate them with already established anatomic and pathologic concepts.

PLAN OF THE INVESTIGATION  This investigation was carried out at St. Luke's Hospital. It is a routine procedure in the outpatient department to perform tuberculin tests, both with purified protein derivative and Vollmer patch tests, on patients 1 year of age or older. Each patient with a positive reaction is routinely observed in the following manner: the history is carefully taken, and physical examinations are then given at regular intervals; children with new lesions are examined monthly or bimonthly, and

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