title: Training and learning curve in chronic cerebrospinal venous insufficiency assessment.
authors.forename: P M
authors.initials: PM
authors.lastname: Bavera
mesh_terms: D002561:Cerebrovascular Disorders / Q000000981:diagnostic imaging*; D002908:Chronic Disease; D006801:Humans; D059032:Learning Curve; D009493:Neurosurgery / Q000193:education*; D011859:Radiography; D014463:Ultrasonography; D014689:Venous Insufficiency / Q000000981:diagnostic imaging*