RT Journal Article SR Electronic T1 Fertility preservation for children treated for cancer (1): scientific advances and research dilemmas JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 355 OP 359 DO 10.1136/adc.84.4.355 VO 84 IS 4 A1 R Grundy A1 R G Gosden A1 M Hewitt A1 V Larcher A1 A Leiper A1 H A Spoudeas A1 D Walker A1 W H B Wallace YR 2001 UL http://adc.bmj.com/content/84/4/355.abstract AB