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Original Investigation |  FREE
Joanne Thompson, MB, MRCP; Marvin Reid, MB,BS, PhD; Ian Hambleton, PhD, BA, MSc; et al.
Arch Intern Med. 2007;167(7):701-708. doi:10.1001/archinte.167.7.701.

Editor's Correspondence | 
Alexandros C. Makis, MD, PhD; Eleftheria C. Hatzimichael, MD; Justin Stebbing, MD, MRCP, PhD; et al.
Arch Intern Med. 2006;166(3):366-368. doi:10.1001/archinte.166.3.366.

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