A population-based estimate of the health care burden of obstructive sleep apnea using a STOP-BAG questionnaire in South Carolina A population-based estimate of the health care burden of obstructive sleep apnea using a STOP-BAG questionnaire in South Carolina Download Impact of patient and family engagement in improving continuous positive airway pressure adherence in patients with obstructive sleep apnea: a randomized controlled trial A randomized controlled trial of oxygen therapy for patients who do not respond to upper airway surgery for obstructive sleep apnea