Duffner P K, Horowitz M E, Krischer J P, Burger P C, Cohen M E, Sanford R A, Friedman H S, Kun L E
State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Roswell Park Center Institute, Buffalo, NY, USA.
Neuro Oncol. 1999 Apr;1(2):152-61. doi: 10.1093/neuonc/1.2.152.