RT Journal Article SR Electronic T1 Encyclopedia of Urology JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 431 OP 432 DO 10.1136/adc.44.235.431-a VO 44 IS 235 YR 1969 UL http://adc.bmj.com/content/44/235/431.2.abstract AB