RT Journal Article SR Electronic T1 Sharing control of appointment length with patients in general practice JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 291 OP 291 DO 10.3399/bjgp13X668096 VO 63 IS 611 A1 Robert Lambourn A1 Joanne Richardson A1 Elizabeth Batley A1 Caroline Douglas YR 2013 UL http://bjgp.org/content/63/611/291.2.abstract AB