RT Journal Article SR Electronic T1 Incapacity certification JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 450 OP 450 DO 10.3399/bjgp10X502191 VO 60 IS 575 A1 Roy Webb YR 2010 UL http://bjgp.org/content/60/575/450.1.abstract AB