Ahmed, S.; Islam, M. A.; Bari, M. A.; Hasan, M. J.; Pathan, M. A. S.; Sarker, C. N. B.; Rubel, M. M. Prevalence of Seasonal Variation of Haemorrhagic Stroke More in Winter Than Summer and Its Common Risk Factors. Comm. Based Med J 2016, 5, 9-13.