TY - JOUR T1 - Lesson of the month JF - Clinical Medicine JO - Clin Med SP - 107 LP - 108 DO - 10.7861/clinmedicine.8-1-107 VL - 8 IS - 1 AU - Isaac Chirwa AU - Mark Savage AU - Aisha Sarwar AU - Andrea Norris Y1 - 2008/02/01 UR - http://www.rcpjournals.org/content/8/1/107.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -