Jackson, Melinda L, Stough, Con, Howard, Mark, Spong, Jo, Downey, Luke and Thompson, Bruce (2011) The contribution of fatigue and sleepiness to depression in patients attending the sleep laboratory for evaluation of obstructive sleep apnea. Sleep & breathing : international journal of the science and practice of sleep medicine., 15 (3). pp. 439-445. ISSN 1520-9512

Spong, Jo, Kennedy, Gerard, Brown, Douglas and Berlowitz, David (2009) Sleep disruption in Quadriplegia - exploring whether 3mg melatonin induces sleep. Sleep and Biological Rhythms, 7 (s1). A38-A38. ISSN 1446-9235