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Journal
J Headache Pain
Volume
13
Issue
7
Pages
543-50
Publication year
2012
Suggested citation
Rao GN, Kulkarni GB, Gururaj G, Rajesh K, Subbakrishna DK, Steiner TJ, Stovner LJ. The burden of headache disorders in India: methodology and questionnaire validation for a community-based survey in Karnataka State. J Headache Pain. 2012; 13(7): 543-50.