Disrupted small-world brain functional network topology in male patients with severe obstructive sleep apnea revealed by resting-state fMRI. - Li-Ting Chen; Xiao-Le Fan; Hai-Jun Li; Si Nie; Hong-Han Gong; Wei Zhang; Xian-Jun Zeng; Ping Long; De-Chang Peng (Neuropsychiatric Disease & Treatment, 2017)