Pre- to postoperative changes in physical activity: report from the longitudinal assessment of bariatric surgery-2 (LABS-2).
King WC, Hsu JY, Belle SH, Courcoulas AP, Eid GM, Flum DR, Mitchell JE, Pender JR, Smith MD, Steffen KJ, Wolfe BM. Pre- to postoperative changes in physical activity: report from the longitudinal assessment of bariatric surgery-2 (LABS-2). Surg Obes Relat Dis. 2012 Sep-Oct; 8(5):522-32.