@article{weko_19597_1, author = "Kawano,Masashichi and Kitajima,Kazuo and Nishimura,Ryusuke and Oshibuchi,Hidenobu and Matsumura,Goichi", title = "14 14. Study of Posttraumatic Chronic Headache, Part I.", journal = "Neurologia medico-chirurgica", year = "1965", volume = "7", number = "", pages = "156--157" }