The Effects of the Alveolar Recruitment Maneuver and Positive End-Expiratory Pressure on Arterial Oxygenation During Laparoscopic Bariatric Surgery. - Whalen,F.; Gajic,O.; Thompson,G.; Kendrick,M.; Que,F.; Williams,B.; Joyner,M.; Hubmayr,R.; Warner,D.; Sprung,J. (Anesth Analg, 2006)