Ultrasonic diagnosis of circulatory disturbances in children.
D000293:Adolescent; D000367:Age Factors; D002318:Cardiovascular Diseases / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography