Screening for Abdominal Aortic Aneurysm: A Best-Evidence Systematic Review for the U.S. Preventive Services Task Force

Appendix Figure 2. All abstracts were reviewed for relevance to other KQs. Articles from experts or reference lists were also
reviewed if relevant.
Trial flow diagram of studies evaluated for inclusion in each key question (KQ).
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Ann Intern Med
February 1, 2005
vol. 142
no. 3
203-211