title: Undiagnosed chronic obstructive pulmonary disease in hospitalized patients with pneumonia in Japan.
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Eisuke
authors: E
authors: Mochizuki
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan. Electronic address: toshihiro-shirai@i.shizuoka-pho.jp.
authors: Toshihiro
authors: T
authors: Shirai
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Ichiro
authors: I
authors: Hayashi
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Rie
authors: R
authors: Noguchi
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Shogo
authors: S
authors: Sakurai
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Mika
authors: M
authors: Saigusa
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Akito
authors: A
authors: Yamamoto
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Yuichiro
authors: Y
authors: Shishido
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Takefumi
authors: T
authors: Akita
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Satoru
authors: S
authors: Morita
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Kazuhiro
authors: K
authors: Asada
authors: Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan.
authors: Masato
authors: M
authors: Fujii
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007297:Inpatients; D007564:Japan; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000175:diagnosis; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*