Being up to date on discoveries and advances in health care is vital for the clinician now more than ever. But with the ever-increasing number of research studies being published and a steady rise in the number of journals, busy clinicians are finding it hard to keep themselves adequately informed. A systematic review (SR) that methodically selects and appraises clinical studies offers a summarized view of the best available evidence to answer a specific research question or a set of questions. It also highlights the quality of the evidence and the knowledge gaps.