October 2005 Peer Reviewed Feature Articles Mitral valve prolapse: its relevance in general practice David EL Wilcken Low vitamin B12: what does it mean and what should I do? James P Isbister Eating disorders: management in general practice Chris Thornton, Stephen Touyz, C Laird Birmingham Osteoporosis and low-trauma fracture in men Chris Gilfillan Advertisement Peer Reviewed Regular Series Dermatology clinic Allergic contact dermatitis to paraphenylenediamine Bruce Tate Emergency medicine Headache, rash and the fear of deadly meningococcal sepsis Gordian Fulde Gastroenterology clinic An update on virtual colonoscopy (CT colonography) Geoff Forbes Clinical case review A 73-year-old woman with a falling platelet count Anthony J Dodds Sports medicine A practical approach to apophysitis Corey Cunningham, Ken Crichton Innocence revisited Lessons from surprising quarters John Scott Advertisement Advertisement