title: Glabellar ecchymosis and headache: Variations of pain-associated ecchymosis.
authors.affiliation: Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan. kakisuke@mui.biglobe.ne.jp.|Department of Pediatrics, Tohoku University Graduate School of Medicine, Sendai, Japan. kakisuke@mui.biglobe.ne.jp.
authors.forename: Yosuke
authors.initials: Y
authors.lastname: Kakisaka
authors.affiliation: Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan.
authors.forename: Mayu
authors.initials: M
authors.lastname: Fujikawa
authors.affiliation: Department of Pediatrics, Tohoku University Graduate School of Medicine, Sendai, Japan.
authors.forename: Naomi
authors.initials: N
authors.lastname: Hino-Fukuyo
mesh_terms: D003027:Cluster Headache / Q000503:physiopathology*; D004438:Ecchymosis / Q000209:etiology*; D006801:Humans; D008297:Male