Validation of a compact accelerometer for the measurement of physical activity in patients with COPD
Yoshiaki Minakata, Akihito Sugino, Manabu Nishigai, Masae Kanda, Keiichiro Akamatsu, Akira Koarai, Tsunahiko Hirano, Hisatoshi Sugiura, Kazuto Matsunaga, Masakazu Ichinose
European Respiratory Journal 2011 38: p2178; DOI: