APA

Heldal E., Döcker H., Caugant D. A. & Tverdal A. (20000525). Pulmonary tuberculosis in Norwegian patients. The role of reactivation, re-infection and primary infection assessed by previous mass screening data and restriction fragment length polymorphism analysis. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Chicago

Heldal E, Döcker H, Caugant D A and Tverdal A. 20000525. Pulmonary tuberculosis in Norwegian patients. The role of reactivation, re-infection and primary infection assessed by previous mass screening data and restriction fragment length polymorphism analysis. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Harvard

Heldal E., Döcker H., Caugant D. A. and Tverdal A. (20000525). Pulmonary tuberculosis in Norwegian patients. The role of reactivation, re-infection and primary infection assessed by previous mass screening data and restriction fragment length polymorphism analysis. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

MLA

Heldal E, Döcker H, Caugant D A and Tverdal A. Pulmonary tuberculosis in Norwegian patients. The role of reactivation, re-infection and primary infection assessed by previous mass screening data and restriction fragment length polymorphism analysis. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease. 20000525.