Chukwuka, U. A. ., S. E. . Neba, E. O. . Felix, and I. A. . O. “Gastrokinetic Effect of Azithromycin: An in Vivo Sonographic Study on Healthy Volunteers”. Journal of Asian Scientific Research, vol. 2, no. 2, Feb. 2012, pp. 70-75, https://archive.aessweb.com/index.php/5003/article/view/3327.