RT Journal Article SR Electronic T1 Is the Berlin Questionnaire an Effective Screening Tool for Obstructive Sleep Apnea in the Preoperative Total Joint Replacement Population? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP eS22 OP eS22 VO 76 IS 2 esuppl 1 A1 Kallas, Peter A1 Schumacher, Mark A1 Lazar, Mona A1 Desai, Anjali YR 2009 UL http://www.ccjm.org/content/76/2_esuppl_1/eS22.abstract AB