Prevalence of chronic pain, especially headache, and relationship with health-related quality of life in middle-aged Japanese residents.

Junko Mitoma, Masami Kitaoka, Hiroki Asakura, Olando Enoch Anyenda, Daisuke Hori, Thao Thi Thu Nguyen, Toshio Hamagishi, Koichiro Hayashi, Fumihiko Suzuki, Yukari Shimizu, Hiromasa Tsujiguchi, Yasuhiro Kambayashi, Yuri Hibino, Tadashi Konoshita, Takiko Sagara, Aki Shibata, and Hiroyuki Nakamura.

Health

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