Headache--an Indian perspective.
Chakravarty
A
A
D015984:Causality; D003430:Cross-Sectional Studies; D003906:Developing Countries; D006261:Headache / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D007194:India; D008881:Migraine Disorders / Q000453:epidemiology / Q000209:etiology*