Ulrichs, T., Anding, P., Porcelli, S., Kaufmann, S. H. E., & Munk, M. E. (2000). Increased Numbers of ESAT-6- and Purified Protein Derivative-Specific Gamma Interferon-Producing Cells in Subclinical and Active Tuberculosis Infection. American Society for Microbiology.

Ulrichs, Timo, Peter Anding, Steven Porcelli, Stefan H. E. Kaufmann, und Martin E. Munk. Increased Numbers of ESAT-6- and Purified Protein Derivative-Specific Gamma Interferon-Producing Cells in Subclinical and Active Tuberculosis Infection. American Society for Microbiology, 2000.

Ulrichs, Timo, et al. Increased Numbers of ESAT-6- and Purified Protein Derivative-Specific Gamma Interferon-Producing Cells in Subclinical and Active Tuberculosis Infection. American Society for Microbiology, 2000.