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Tobe, Keisuke, Takekazu Kubo, Kotoba Okuyama, Masashi Kikuchi, Yirong Chen, Jonathan Schelfhout, Machiko Abe, and Shigeru Tokita. "Web-based Survey to Evaluate the Prevalence of Chronic and Subacute Cough and Patient Characteristics in Japan." BMJ Open Respir Res 2021.

Tobe, Keisuke, et al. "Web-based Survey to Evaluate the Prevalence of Chronic and Subacute Cough and Patient Characteristics in Japan." BMJ Open Respir Res 2021.