Mignani, S., Rodrigues, J., Tomas, H., Jalal, R., Singh, P., Majoral, J., & Vishwakarma, R. (2018). Present drug-likeness filters in medicinal chemistry during the hit and lead optimization process: how far can they be simplified? Drug Discovery Today. https://doi.org/10.1016/j.drudis.2018.01.010 (Original work published 2018)

Singh, P., & Singh, S. (2012). Statins and risk reduction in hepatocellular carcinoma: fact or fiction? Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology, 30(20), 2569-70; author reply 2570. https://doi.org/10.1200/JCO.2012.43.2179 (Original work published 2012)