List of Contributors. Preface to the Third Edition. Preface to the Fourth Edition. Chapter 1 Structure of a scientific paper (George M. Hall, University of London). Chapter 2 Introductions (Richard Smith, United Health Europe, London). Chapter 3 Methods (Gordon B. Drummond, University of Edinburgh). Chapter 4 Results (Hans-Joachim Priebe, University Hospital, Freiburg). Chapter 5 Discussion (George M. Hall, University of London). Chapter 6 Titles, abstracts, and authors (Fiona Moss, London Deanery, NHS London). Chapter 7 References (Simon Howell, University of Leeds and Liz Neilly, University of Leeds). Chapter 8 Electronic submissions (Natalie Davies, The Lancet). Chapter 9 How to write a letter (Michael Doherty, University of Nottingham). Chapter 10 How to prepare an abstract for a scientific meeting (Robert N. Allan, Royal College of Physicians, London). Chapter 11 How to write a case report (Martin Neil Rossor, Dementia Research Centre, London). Chapter 12 How to write a review (Paul Glasziou, University of Oxford). Chapter 13 The role of the editor (Jennifer M. Hunter, University of Liverpool). Chapter 14 The role of the manuscript assessor (Domhnall MacAuley, BMJ). Chapter 15 What a publisher does (Alex Williamson, BMJ Group). Chapter 16 Who should be an author? (Richard Horton, The Lancet). Chapter 17 Style: what it is and why it matters (Margaret Cooter, BMJ Publishing Group). Chapter 18 Ethics of publication (Michael J.G. Farthing, University of Sussex). Chapter 19 Electronic publishing (Craig Bingham, Australasian Medical Publishing Company). Chapter 20 Open access (Mark Ware, Mark Ware Consulting). Index.