1. Polymorphic prediction, understanding the nature of crystalline compounds can be critical in drug development and manufacture;Knapman,2000
2. Ranitidine;Hohnjec,1986
3. Preparation and characterisation of ranitidine HCl crystals;Madan;Drug Dev. Ind. Pharm.,1994
4. A. Forster, K. Gordon, D. Schmierer, N. Soper, V. Wu, T. Rades, Characterisation of two polymorphic forms of ranitidine-HCl. Inter. J. Vib. Spect. 2, (1998) 2nd ed., section 2, article 12, http://www.ijvs.com/volume2/edition2/section2.htm
5. Stability of polymorphic forms of ranitidine hydrochloride;Wu;Pharmazie,2000