Usefulness of L-[methyl-11C] methionine-positron emission tomography as a biological monitoring tool in the treatment of glioma. - Nariai,T.; Tanaka,Y.; Wakimoto,H.; Aoyagi,M.; Tamaki,M.; Ishiwata,K.; Senda,M.; Ishii,K.; Hirakawa,K.; Ohno,K. (J Neurosurg, 2005)