Ali Khan, M A Transseptal left heart catheterisation in infants, children, and young adults. [electronic resource] - Catheterization and cardiovascular diagnosis Aug 1989 - 198-201 p. digital Publication Type: Journal Article ISSN: 0098-6569 Standard No.: 10.1002/ccd.1810170403 doi Subjects--Topical Terms: AdolescentAdultBalloon OcclusionCardiac Catheterization--methodsCatheterizationChildChild, PreschoolFemaleHeart Defects, Congenital--diagnosisHeart SeptumHumansInfantMaleMitral Valve Stenosis--diagnosisRheumatic Heart Disease--diagnosis