By Conner Middelmann-Whitney
By katya johansson
By Crystal Bass
By Jane M. Renfrew
By Christine France
By Pamela Clark
By Gilli Davies
By Food and Agriculture Organization of the United Nations
By M Kazamias
By Dr Mike Moreno
By Michael Burgan
By Conor Reilly
By Amanda Ursell, Ursell, Amanda
By ND, Beth Golden PhD
By Mark Hines
By Patricia Krimmel, Edward Krimmel
By Carole Handslip
By Robert Alexander McCance, Elsie M. Widdowson
By Stephen Mennell, etc., Anne Murcott, Anneke H. van Otterloo
By Suzanne Havala
By Katherine Burke
By Brenda Stones
By K. B. Sherrington
By Patrick Holford BSc DipION FBANT NTCRP
By Dr Gillian McKeith, McKeith, Dr Gillian
By Sue Kreitzman
By Susan Martineau
By Phillip C. McGraw