FIGURE 1.
Mechanisms and radiographic features associated with airflow obstruction and restrictive ventilatory defects in patients with a history of tuberculosis. FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.