Lawn, S. D., Edwards, D. J., & Wood, R. (2009). Tuberculosis Transmission From Patients With Smear-Negative Pulmonary Tuberculosis in Sub-Saharan Africa.
Chicago-tyylinen lähdeviittausLawn, Stephen D., David J. Edwards, ja Robin Wood. Tuberculosis Transmission From Patients With Smear-Negative Pulmonary Tuberculosis in Sub-Saharan Africa. 2009.
MLA-viiteLawn, Stephen D., David J. Edwards, ja Robin Wood. Tuberculosis Transmission From Patients With Smear-Negative Pulmonary Tuberculosis in Sub-Saharan Africa. 2009.
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