Islam, Mahmudul, et al. “Digital Subtraction Angiography Findings in Aneurysmal Subarachnoid Haemorrhage: Experience of 30 Cases in Bangladesh”. Journal of National Institute of Neurosciences Bangladesh, vol. 2, no. 2, Oct. 2017, pp. 51-54, doi:10.3329/jninb.v2i2.34094.