by Takamatsu, Kazufumi, Sumitani, Mitsuhiro, Nanjyou, Shigeki, Nishijima, Masayoshi, Syoji, Seiichi, Takifuji, Nobuhide, Kiyota, Hidemi, Daga, Haruko, Takeda, Koji
Published in Nihon Kokyūki Gakkai zasshi = the journal of the Japanese Respiratory Society (01.10.2008)