Snyder, John M Intra-operative ultrasound guidance of vena caval umbrella placement in a super obese patient. [electronic resource] - Obesity surgery Oct 2002 - 679-81 p. digital Publication Type: Case Reports; Journal Article ISSN: 0960-8923 Standard No.: 10.1381/096089202321019675 doi Subjects--Topical Terms: AdultAnastomosis, Roux-en-Y--methodsCatheterization, Central Venous--instrumentationComorbidityGastroplasty--methodsHumansIntraoperative Period--instrumentationMaleObesity, Morbid--complicationsUltrasonography, Interventional--methodsVena Cava FiltersVena Cava, Inferior--diagnostic imaging