RT Journal Article SR Electronic T1 Screening for haemoglobinopathies in primary care JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 556 OP 557 VO 55 IS 516 A1 Gervase Vernon YR 2005 UL http://bjgp.org/content/55/516/556.3.abstract AB