Ultrasonography in pediatrics.
D001660:Biliary Tract Diseases / Q000175:diagnosis; D001927:Brain Diseases / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007674:Kidney Diseases / Q000175:diagnosis; D008107:Liver Diseases / Q000175:diagnosis; D008297:Male; D011247:Pregnancy; D014463:Ultrasonography