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Nishimura, Koichi, Masaaki Kusunose, Ryo Sanda, Yousuke Tsuji, Yoshinori Hasegawa, und Toru Oga. "Comparison between Electronic and Paper Versions of Patient-reported Outcome Measures in Subjects With Chronic Obstructive Pulmonary Disease: An Observational Study With a Cross-over Administration." BMJ Open 2019.

Nishimura, Koichi, et al. "Comparison between Electronic and Paper Versions of Patient-reported Outcome Measures in Subjects With Chronic Obstructive Pulmonary Disease: An Observational Study With a Cross-over Administration." BMJ Open 2019.