Detection and prevalence of chronic obstructive pulmonary disease in a cardiovascular clinic: evaluation using a hand held FEV₁/FEV₆ meter and questionnaire.
Wada
Hiroshi
H
Division of Respiratory and Cardiovascular Medicine, Department of Internal Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan.
Nakano
Yasutaka
Y
Nagao
Taishi
T
Osawa
Makoto
M
Yamada
Hideto
H
Sakaguchi
Chikara
C
Matsumoto
Tetsuya
T
Tsutamoto
Takayoshi
T
Ito
Makoto
M
Horie
Minoru
M