Cui, G., Gopalan, S., Yamamoto, T., Berger, J., Maxim, P. G., & Keall, P. J. (2010). Commissioning and quality assurance for a respiratory training system based on audiovisual biofeedback. John Wiley and Sons Inc.

Cui, Guoqiang, Siddharth Gopalan, Tokihiro Yamamoto, Jonathan Berger, Peter G. Maxim, a Paul J. Keall. Commissioning and Quality Assurance for a Respiratory Training System Based On Audiovisual Biofeedback. John Wiley and Sons Inc, 2010.

Cui, Guoqiang, et al. Commissioning and Quality Assurance for a Respiratory Training System Based On Audiovisual Biofeedback. John Wiley and Sons Inc, 2010.