Diagnostic tests play a major role within the medical world today. Amongst the group of tests, 4d ultrasound will be the oldest and many frequently used test. It uses the sound waves to make the image of body organs. The test effectively diagnoses problems related to tissues, tendons, etc. https://app.box.com/s/ooml2k8x1aqjoehc0x7s6b4f77ngiar2