Tambunan, B. A., J. Wiwin, J. Nugraha, and S. Soedarsono. “CD4+ DAN CD8+ INTERFERON GAMMA TUBERKULOSIS PARU AKTIF DAN TUBERKULOSIS LATEN”. INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY, vol. 22, no. 2, Mar. 2018, pp. 137-40, doi:10.24293/ijcpml.v22i2.1116.