%0 Journal Article %A FA Mir %A MJ Brown %A DS Appleton %T Lesson of the month %D 2007 %R 10.7861/clinmedicine.7-5-530 %J Clinical Medicine %P 530-531 %V 7 %N 5 %U https://www.rcpjournals.org/content/clinmedicine/7/5/530.full.pdf