Newidiadau mewn ffyrdd o fyw yng Nghymru : canlyniadau arolwg iechyd yng Nghymru 1985-1996 = Lifestyle changes in Wales : results from the health in Wales survey 1985-1996 by Anne Kingdon. ISBN 1856872912. Published by Hybu Iechyd Cymru in 1998. Publication and catalogue information, links to buy online and reader comments.