Medina, A A new type of adjustable vascular introducer for balloon valvuloplasty: technical note. [electronic resource] - Cardiovascular and interventional radiology - 169-71 p. digital Publication Type: Journal Article ISSN: 0174-1551 Standard No.: 10.1007/BF02577385 doi Subjects--Topical Terms: Catheterization--instrumentationHumans