Linker, D T Sensitivity and speed of colour Doppler flow mapping compared with continuous wave Doppler for the detection of ventricular septal defects. [electronic resource] - British heart journal Apr 1991 - 201-3 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0007-0769 Standard No.: 10.1136/hrt.65.4.201 doi Subjects--Topical Terms: AdolescentAdultChildChild, PreschoolEchocardiography, DopplerFalse Negative ReactionsHeart Septal Defects, Ventricular--diagnosisHumansInfantTime Factors