By Dirk Elston, MD, Dr., Tammie Ferringer, Christine J. Ko, Steven Peckham, Whitney A. High
By Alan G Japp, MBChB(Hons), BSc(Hons), MRCP, PhD, Dr., Colin Robertson, BA(Hons) MBChB FRCP(Glas) FRCS(Ed) FICP(Hon) FSAScot, Professor
By Zeshan Qureshi, BM, BSc(Hons), MSc, BM MRCPCH, FAcadMEd, MRCPS(Glasg) (Paediatric Registrar, London Deanery, United Kingdom)
By Jeffrey P. Kanne
By Rolf Ahlzen, Martyn Evans, Raimo Puust
By Robert H. Seller
By David J. Field, John Stroobant, David Isaacs
By Maxine Papadakis, Stephen Mcphee, Michael Rabow
By Henry McQuay, R.A. Moore
By Philippa Matthews, Sara Madge, Surinder Singh, Nick Theobald
By Jeremy Hughes, Michael Hughes
By Bates
By Carl A. Burtis, Edward R. Ashwood, David E. Bruns