By Walter Hendelman, M.D. (University of Ottawa, Ontario, Canada)
By Collins GCSE
By Nick Arnold, Tony De Saulles
By Elaine Wilson (Sensory Integration International, New South Wales)
By Stephen Bazire
By Charmaine McKissock
By John B. Butt (Prescott, Arizona, USA), John Butt, Carmen Benjamin
By Dorland
By Geoffrey P. West
By Springhouse Publishing, Patricia Schull, Springhouse
By John M. S. Pearce
By H A O Hill (University of Oxford)
By Andrew Pallas
By Penney Poyzer
By Joint Formulary Committee
By Paediatric Formulary Committee
By Gary Banker (Oregon Health and Science University), Kimberly Goslin (Medical Director, Providence ALS Center)
By Dr Sophie Farooque
By Sabrina Sholts, Lonnie G. Bunch, III
By Sanjeev Agarwal, MS FRCS
By Zeshan Qureshi, BM, BSc(Hons), MSc, BM MRCPCH, FAcadMEd, MRCPS(Glasg) (Paediatric Registrar, London Deanery, United Kingdom)
By Patrick Davey (Northampton General Hospital, and John Radcliffe Hospital, Oxford)
By Joan Price
By Katie Lynch
By Robert H. Whitaker, Neil R. Borley
By Jacques Dupayrat
By Gosling, Peter J.
By Gavin Spickett