Khan, N., Chattopadhyay, K., & Leonardi-Bee, J. (2019). Incidence, prevalence, risk factors and health consequences of polypharmacy in adults in South Asia: a systematic review protocol. JBI Database of Systematic Reviews and Implementation Reports, 17(11), 2370-2377. https://doi.org/10.11124/jbisrir-d-18-00001