RT Journal Article SR Electronic T1 Natural orifice transluminal endoscopic surgery: Too much too soon? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S47 OP S49 VO 75 IS 11 suppl 6 A1 Thompson, Christopher YR 2008 UL http://www.ccjm.org/content/75/11_suppl_6/S47.abstract AB