RT Journal Article SR Electronic T1 A short walk! A feasible fitness test for general practice JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 706 OP 706 VO 54 IS 506 A1 Mark A Tully A1 Nigel Hart A1 Margaret E Cupples YR 2004 UL http://bjgp.org/content/54/506/706.1.abstract AB