Sharma Vinay K, Galli William, Haber Alan, Pressman Mark R, Stevenson Robert, Meyer Thomas J, Peterson Donald D, Zachariah John S, Mercogliano Giancarlo, Greenspon Lee
Ann Intern Med. 2003 Oct 21;139(8):707-8. doi: 10.7326/0003-4819-139-8-200310210-00028.