1. Miracle Man of Miracle Drugs: Dr. Yellapragada SubbaRow; c2011. Available from: http://www.ysubbarow.info. [Last updated on 2011 Oct 09; Last cited on 2016 Aug 22].
2. Callen JP, Shorten LK. Methotrexate. In: Wolverton SE, editor. Comprehensive Dermatologic Drug Therapy. 3rd ed. London: Elsevier Health Sciences; 2013. p. 169-81.
3. Gupta SP, Milford EL. In: Quest of Panacea: Successes and Failures of Yellapragada SubbaRow. 1st ed. New Delhi: Evelyn; 1988.