RT Journal Article SR Electronic T1 Wells score for venous thromboembolism. Basic diagnostic algorithm for venous thromboembolism. JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1229 OP 1234 VO 29 IS 9 A1 Gao, Bao-An A1 Yang, Jun YR 2008 UL http://smj.org.sa/content/29/9/1229.abstract