Gender-Specific Impacts of Apnea, Age, and BMI on Parasympathetic Nerve Dysfunction during Sleep in Patients with Obstructive Sleep Apnea. - Yamaguchi, Kazuhiro; Inoue, Yuji; Ohki, Noboru; Satoya, Natsumi; Inoue, Fukumi; Maeda, Yoshiko; Sekiguchi, Haruki; Suzuki, Mayumi; Tsuji, Takao; Aoshiba, Kazutetsu; Nagai, Atsushi (PLoS ONE, 2014)