Kathy I would be happy to fax you the article - it is only 3 pages. Just call or e-mail me your fax number. The citation is: Preul, M.C, Z. Caramanos, D.L. collins, J.G. Villemure, R. Leblanc, A. Olivier, R. Pokrupa, and D.L. Arnold. Accurate, noninvasive diagnosis of human brain tumors by using proton magnetic resonance spectroscopy. Nature Medicine, 2(3), March 1996, pp.323-325. Sincerely, Margaret Margaret Henderson Head of Library Services Cold Spring Harbor Laboratory 1 Bungtown Road Cold Spring Harbor, NY 11724 [log in to unmask] tel. (516)367-8493 fax. (516)367-6843