title: Photoplethysmography in the diagnosis of superficial venous valvular incompetence.
authors.forename: J C
authors.initials: JC
authors.lastname: Veraart
authors.forename: H A
authors.initials: HA
authors.lastname: Neumann
mesh_terms: D006801:Humans; D017156:Photoplethysmography; D014648:Varicose Veins / Q000175:diagnosis; D014689:Venous Insufficiency / Q000175:diagnosis*