Prospective evaluation of Roux-En-Y gastric bypass as primary operation for medically complicated obesity

Bruno M. Balsiger, Frank P. Kennedy, Haitham S. Abu-Lebdeh, Maria Collazo-Clavell, Michael D. Jensen, Timothy O'Brien, Donald D. Hensrud, Sean F. Dinneen, Geoffrey B. Thompson, Florencia G. Que, Donald E. Williams, Matthew M. Clark, Jeanne E. Grant, Marsha S. Frick, Roger A. Mueller, Jane L. Mai, Michael G. Sarr