Neural Network Approach to Investigating the Importance of Test Items for Predicting Physical Activity in Chronic Obstructive Pulmonary Disease by Yoshiki Nakahara, Shingo Mabu, Tsunahiko Hirano, Yoriyuki Murata, Keiko Doi, Ayumi Fukatsu-Chikumoto, Kazuto Matsunaga

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Computed Tomography Lung Density Analysis: An Imaging Biomarker Predicting Physical Inactivity in Chronic Obstructive Pulmonary Disease: A Pilot Study by Yoriyuki Murata, Tsunahiko Hirano, Keiko Doi, Ayumi Fukatsu-Chikumoto, Kazuki Hamada, Keiji Oishi, Tomoyuki Kakugawa, Masafumi Yano, Kazuto Matsunaga

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Gender Difference in the Relationship between Extrapulmonary Factors and Reduced Lung Function in Early Adulthood by Keiko Doi, Tsunahiko Hirano, Keiji Oishi, Ayumi Fukatsu-Chikumoto, Yuichi Ohteru, Kazuki Hamada, Shuichiro Ohata, Yoriyuki Murata, Yoshikazu Yamaji, Maki Asami-Noyama, Nobutaka Edakuni, Tomoyuki Kakugawa, Kazuto Matsunaga

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Utility of the Shortness of Breath in Daily Activities Questionnaire (SOBDA-Q) to Detect Sedentary Behavior in Patients with Chronic Obstructive Pulmonary Disease (COPD) by Yoshikazu Yamaji, Tsunahiko Hirano, Hiromasa Ogawa, Ayumi Fukatsu-Chikumoto, Kazuki Matsuda, Kazuki Hamada, Shuichiro Ohata, Ryo Suetake, Yoriyuki Murata, Keiji Oishi, Maki Asami-Noyama, Nobutaka Edakuni, Tomoyuki Kakugawa, Kazuto Matsunaga

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Correlation between frailty and reduction in cortical thickness in patients with chronic obstructive pulmonary disease by Ayumi Fukatsu-Chikumoto, Tsunahiko Hirano, Shun Takahashi, Takuya Ishida, Kasumi Yasuda, Tomohiro Donishi, Kazuyoshi Suga, Keiko Doi, Keiji Oishi, Shuichiro Ohata, Yoriyuki Murata, Yoshikazu Yamaji, Maki Asami-Noyama, Nobutaka Edakuni, Tomoyuki Kakugawa, Kazuto Matsunaga

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