21:26Radio 4 AppealThe Sickle Cell SocietyBBC Radio 4 Duration: 4 minutes Sun 15th May 2016, 21:26 on BBC Radio 4 FMAvailable for over a yearListen nowMalorie Blackman presents an appeal on behalf of The Sickle Cell Society. Show more GenresFactualFormatsAppealsBrandRadio 4 Appeal Source: BBC Online