Long Richard, Wong Eric, Barrie James
Department of Medicine, University of Alberta, Aberhart Centre 1, 3rd Floor, Room 8325, 11402 University Avenue, Edmonton, Alberta, Canada T6G 2J3.
AJR Am J Roentgenol. 2005 Mar;184(3 Suppl):S33-6. doi: 10.2214/ajr.184.3_supplement.01840s33.