Krishna, M., A. Kumar, S. Dayal, and V. Chaturvedi. “Determination of Fluorescent Stain and Ziehl - Nelson Stain for the Demonstration of Acid Fast Bacilli in Cytological Specimens”. International Journal of Research in Medical Sciences, vol. 3, no. 12, Jan. 2017, pp. 3749-52, doi:10.18203/2320-6012.ijrms20151434.