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Chowdhury, V1992-04-012009-05-271992-04-012009-05-271992-04-01Chowdhury V. Present day concept of non-invasive imaging. Indian Pediatrics. 1992 Apr; 29(4): 407-9http://imsear.searo.who.int/handle/123456789/14685engCongenital Abnormalities --diagnosisEchocardiography, DopplerEvaluation Studies as TopicFemaleFetal Diseases --diagnosisHeart Defects, Congenital --diagnosisHumansInfant, NewbornMagnetic Resonance ImagingPregnancyTomography, X-Ray ComputedUltrasonography, PrenatalPresent day concept of non-invasive imaging.Comparative Study