Eastwood Peter R, Takahashi Kazuhisa, Lee Pyng, Maher Toby M
West Australian Sleep Disorders Research Institute, Department of Pulmonary Physiology, Sir Charles Gairdner Hospital, Perth, Western Australia.
Respirology. 2011 Apr;16(3):553-63. doi: 10.1111/j.1440-1843.2011.01927.x.