A guide to ultrasonics.
D000008:Abdominal Neoplasms / Q000175:diagnosis; D004301:Doppler Effect; D005128:Eye Diseases / Q000175:diagnosis; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006331:Heart Diseases / Q000175:diagnosis; D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis; D011247:Pregnancy; D014465:Ultrasonics / Q000009:adverse effects / Q000295:instrumentation; D014463:Ultrasonography