title: Ultrasound: when is it a complementary or preferable technique?
mesh_terms: D001014:Aortic Aneurysm / Q000175:diagnosis; D005260:Female; D005767:Gastrointestinal Diseases / Q000175:diagnosis; D005865:Gestational Age; D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis; D008107:Liver Diseases / Q000175:diagnosis; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis; D014463:Ultrasonography