The periodic chest roentgenogram for the control of tuberculosis in health care personnel.
D006291:Health Policy; D006801:Humans; D010564:Personnel, Hospital / Q000331:legislation & jurisprudence; D011859:Radiography; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging* / Q000517:prevention & control; D014481:United States