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2. Tay SH, Wong HB. Sonographic diagnosis of infantile hypertrophic pyloric stenosis: critical appraisal of reliability and diagnostic criteria;Yip, W.C.L.;JCU,1985
3. Sonography of hypertrophic pyloric stenosis;Strauss, S.; Itzchak, Y.; Manor, A.;American Journal of Radiology,1981
4. Ultrasound in the diagnosis of hypertrophic pyloric stenosis;Blumhagen, J.D.; Coombs, J.B.;JCU,1981
5. Increasing incidence of infantile hypertrophic pyloric stenosis;Grant, G.A.; McAleer, J.J.A.;Ir Med J,1971