title: A-mode ultrasound of maxillary sinusitis in children.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D006801:Humans; D008443:Maxillary Sinus; D008722:Methods; D012852:Sinusitis / Q000175:diagnosis*; D014463:Ultrasonography