title: An introduction to B-scan ultrasonography. For the primary care physician.
mesh_terms: D001014:Aortic Aneurysm / Q000175:diagnosis; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis; D008107:Liver Diseases / Q000175:diagnosis; D011247:Pregnancy; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography