1. Ultrasonic scanning in the diagnosis of space-occupying lesions of the upper abdomen;Holm, H.H.;British Journal of Radiology,1971
2. The multiple concentric ring sign in the ultrasonographic diagnosis of intussusception;Holt, S.; Samuel, E.;Gastrointestinal Radiology,1978
3. Ultrasonic patterns of space-occupying lesions of the stomach and the intestine;Lutz, H.T.; Petzoldt, R.;Ultrasound Medical Biology,1976
4. Accuracy of grey scaleultrasound diagnosis of abdominal and pelvic abscesses in 220 patients;Taylor, K.J.W.; Wasson, J.; De Graaff, C.; Rosenfield, A.T.; Andriole, V.T.;Lancet,1978
5. Ultrasonic appearance of adult intussusception;Weissberg, D.L.; Scheible, W.; Leopold, G.R.;Radiology,1977