Article: Long-term variability of the apnea-hypopnea index in a patient with mild to moderate obstructive sleep apnea. Date of Publication: February 15, 2020 Reference: Fietze I, Glos M, Zimmermann S, Perzel T. Long-term variability of the apnea-hypopnea index in a patient with mild to moderate obstructive sleep apnea. Journal of Clinical Sleep Medicine Vol 16 (2);2020. Reason/Problem/Purpose:Demonstrate the variability of… Read more »