TY - BOOK ED - BBC TI - Children fighting cancer : Part 3 [DVD] PY - 2007/// CY - London PB - BBC N1 - Series which follows nine children in their quest for a cure for leukaemia. The show focuses on Zakk, a lad of action reduced by months of chemotherapy to driving a mobility cart, and three-year-old Olivia, an identical twin. Olivia is of special interest to scientists, who believe that modern bug-free homes may harm the early development of the immune system, and twins carry clues that could bring prevention closer N2 - 40 minutes; Broadcast on 26 June 2007 : BBC1 ER -