Khatun, Z., Roy, C. K., Sultana, T., Rahman, M. Q. and Ahmed, A. N. (2011) “Role of Light Emitting Diode (LED) Fluorescence Microscopy in the Diagnosis of Smear Negative Pulmonary Tuberculosis”., Bangladesh Journal of Pathology, 26(1), pp. 3–6. doi: 10.3329/bjpath.v26i1.9126.