• Is it DVT? Wells score and D-dimer may avert costly workup 

    Schumann, Sarah-Anne; Ewigman, Bernard (Family Physicians Inquiries Network, 2007)
    Use a combination of Wells score and D-dimer test to exclude deep vein thrombosis in low- to intermediate-risk outpatients with suggestive symptoms. Stength of recommendation (SOR) A: B ased on one good meta-analysis.