Ahmed, M. U.; Islam, M. S.; Sultana, T. A.; Mostofa, A.; Bin Sayeed, M. S.; Nahar, Z.; Hasnat, A. Quantitative Determination of Azithromycin in Human Plasma by Liquid Chromatography–Mass Spectrometry and Its Application in Pharmackokinetic Study. Dhaka Univ. J. Pharm. Sci 2012, 11, 55-63.