Velappan, D.P., Palaniappan, P.N. and Pandian, A. 2018. A prospective randomized study of use of drain versus no drain after burr-hole evacuation of chronic subdural hematoma. International Surgery Journal. 5, 6 (May 2018), 2304–2307. DOI:https://doi.org/10.18203/2349-2902.isj20182242.