RT Journal Article SR Electronic T1 Let us take blood JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 69 OP 70 DO 10.3399/bjgp11X595620 VO 62 IS 595 A1 Joanna Loudon A1 Susie Nickerson YR 2012 UL http://bjgp.org/content/62/595/69.2.abstract AB