1. S. Budavari , The Merck Index , Merck & Co. Inc. , Whitehouse Station, New Jersey, USA , 14th edn, 2006 , pp. 1059 and 1736
2. S. C. Sweetman , Martindale: The Complete Drug Reference , The Pharmaceutical Press , London , 37th edn, 2011 , vol. A , pp. 1469 and 1536
3. The National Formulary 29 , The United States Pharmacopoeia 34 , The US Pharmacopoeial Convention , Rockville, MD , 2011 , vol. II , p. 4196
4. The British Pharmacopoeia , Her Majesty’s Stationary Office , London , 2010 , vol. II , pp. 786 and 1104
5. The European Pharmacopoeia VII , European Directorate for the Quality of Medicines and Healthcare, Council Of Europe , Strasbourg , 2010 , vol. II , pp. 2885 and 3141