1. LC Determination of Ritonavir, a HIV Protease Inhibitor, in Soft Gelatin Capsules
2. LC Method for Studies on the Stability of Lopinavir and Ritonavir in Soft Gelatin Capsules
3. Ritonavir Monograph, Indian Pharmacopoeia, Addendum 2002. Ministry of Health and Family Welfare, Delhi, India, pp. 925–926.
4. Ritonavir Monograph, International Pharmacopoeia, 4th ed., World Health Organization (WHO), Geneva, Switzerland, 2006, pp. 837–840.
5. Ritonavir Monograph, United States Pharmacopeia, 30th ed., United States Pharmacopeial Convention, Rockville, MD, USA, 2007, pp. 3143–3144 and 3831–3832.