Population-based door-to-door survey of migraine in Japan: the Daisen study

Takeshima T, Ishizaki K, Fukuhara Y, Ijiri T, Kusumi M, Wakutani Y, Mori M, Kawashima M, Kowa H, Adachi Y, Urakami K, Nakashima K. Population-based door-to-door survey of migraine in Japan: the Daisen study. Headache. 2004; 44(1): 8-19.