title: Non-invasive functional investigation of chronic venous insufficiency with special reference to foot volumetry.
mesh_terms: D002908:Chronic Disease; D005528:Foot / Q000098:blood supply* / Q000473:pathology; D006801:Humans; D010991:Plethysmography / Q000379:methods; D014463:Ultrasonography; D014689:Venous Insufficiency / Q000175:diagnosis / Q000503:physiopathology*; D014690:Venous Pressure