Prevalence of pulmonary hypertension on echocardiogram in children with severe obstructive sleep apnea-V18I6 Prevalence of pulmonary hypertension on echocardiogram in children with severe obstructive sleep apnea-V18I6 Download Pneumocystis jirovecii pneumonia presenting as a solitary pulmonary granuloma due to unclean continuous positive airway pressure equipment: a case report-V18I6 Measurement of snoring and stertor using the Sonomat to assess effectiveness of upper airway surgery in children-V18I6