Clinico-radiological patterns of cerebral venous thrombosis in adult males working in the mountainous region of North India - A pilot study from tertiary care hospital oleh J Chanderbhan, Aditya Gupta, Bharat Hosur, Vivek Sharda, Julie Sachdeva, G S Chowdhary, B A Muthanna, Rajeev Saxena, Gaurav Monga