1. Chronic retention of urine in children;Beer;Journal of the American Medical Association,1915
2. Gibt es eine “Wide bladder neck anomaly;Bruns;Zeitschrift für Kinderheilkunde,1970
3. Micturating cystourethrography in the investigation of enuresis;Fiskr;Archives of Disease in Childhood,1954
4. The vital role of the distal urethral segment in the control of urinary flow rate;Gleson;Journal of Urology,1968
5. Die sogenannte “Wide bladder neck anomaly;Halsband;Urologe A,1970