M. Maylizawati and D. . Handayani, “BTA BTA Examination of Sputum Samples Using the Ziehl-Neelsen Staining Method at the Pandan Hospital Laboratory, Central Tapanuli, North Sumatra : Pemeriksaan BTA pada Sampel Sputum Menggunakan Metode Pewarnaan Ziehl-Neelsen di Laboratorium RSUD Pandan, Tapanuli Tengah, Sumatera Utara”, mcrb, vol. 3, no. 3, pp. 314–321, Feb. 2026.