F. . Hadizadeh, B. F. . Anaraki-Firooz, and S. I. . Husain Taqvi, “Effects of 2-Alkylamino-Substituted Dihydropyridines on Rabbit Jejunum: Effect of substituted dihydropyridines on jejunum”, Iran J Pharm Sci, vol. 1, no. 1, pp. 27–31, Mar. 2005.