RT Journal Article SR Electronic T1 Cost effective strategy for a safe diagnosis of deep vein thrombosis at a district general hospital JF Postgraduate Medical Journal JO Postgrad Med J FD The Fellowship of Postgraduate Medicine SP 363 OP 363 DO 10.1136/pmj.79.932.363 VO 79 IS 932 A1 R Sinharay A1 G Strang A1 D Bird YR 2003 UL http://pmj.bmj.com/content/79/932/363.1.abstract AB