title: Catamenial Pneumothorax.
authors.affiliation: Department of General Medicine, Chiba University Hospital, 1-8-1, Inohana, Chuo-ku, Chiba-city, Chiba pref., Japan. kshikino@gmail.com.
authors.forename: Kiyoshi
authors.initials: K
authors.lastname: Shikino
authors.affiliation: Department of General Medicine, Chiba University Hospital, 1-8-1, Inohana, Chuo-ku, Chiba-city, Chiba pref., Japan.
authors.forename: Yoshiyuki
authors.initials: Y
authors.lastname: Ohira
authors.affiliation: Department of General Medicine, Chiba University Hospital, 1-8-1, Inohana, Chuo-ku, Chiba-city, Chiba pref., Japan.
authors.forename: Masatomi
authors.initials: M
authors.lastname: Ikusaka
mesh_terms: D006801:Humans; D011030:Pneumothorax
keywords: blueberry spots; catamenial; pneumothorax