APA

Pandey Shailendra Kumar, University of Delhi. Faculty of Medical Sciences. Department of Neurology, Dr. Debashish Chowdhury Gu & University of Delhi. Faculty of Medical Sciences. Department of Neurology. (2007). Quality of life and disability in patients with chronic migraine and chronic tension type of headache. : .

Chicago

Pandey Shailendra Kumar, University of Delhi. Faculty of Medical Sciences. Department of Neurology, Dr. Debashish Chowdhury Gu and University of Delhi. Faculty of Medical Sciences. Department of Neurology. 2007. Quality of life and disability in patients with chronic migraine and chronic tension type of headache. : .

Harvard

Pandey Shailendra Kumar, University of Delhi. Faculty of Medical Sciences. Department of Neurology, Dr. Debashish Chowdhury Gu and University of Delhi. Faculty of Medical Sciences. Department of Neurology. (2007). Quality of life and disability in patients with chronic migraine and chronic tension type of headache. : .

MLA

Pandey Shailendra Kumar, University of Delhi. Faculty of Medical Sciences. Department of Neurology, Dr. Debashish Chowdhury Gu and University of Delhi. Faculty of Medical Sciences. Department of Neurology. Quality of life and disability in patients with chronic migraine and chronic tension type of headache. : . 2007.