RT Journal Article SR Electronic T1 Prevalence of Obstructive Sleep Apnea in Patients Presenting for Hip or Knee Replacement Surgery JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP eS10 OP eS10 VO 78 IS 3 esuppl 1 A1 Beachy, Micah A1 Shiffermiller, Jason A1 Vokoun, Chad YR 2011 UL http://www.ccjm.org/content/78/3_esuppl_1/eS10.abstract AB