Many thanks for everyone's assistance - I still don't feel I could recommend it to patients with MND but will check further for medical advice! Sandra Wilson Information Officer/Librarian Scottish Motor Neurone Disease Association 76 Firhill Road,Glasgow, G20 7BA Tel: 0141-945-1077 Fax: 0141-945-2578 Email: [log in to unmask] Web: www.scotmnd.org.uk